Mark Radburn and Chloe Hatch are Australian reality television personalities best known for appearing on the Netflix documentary series Love on the Spectrum.
Both are on the autism spectrum and appeared across both seasons of the Australian version of the show, which first aired on ABC in November 2019.
Their on-screen romance captured the hearts of fans around the world.
Who are Mark and Chloe?
Mark Radburn and Chloe Hatch are two of the most beloved cast members from Love on the Spectrum Australia, a documentary series following young Australians on the autism spectrum as they navigate dating and relationships.
The series paired the two together, and their courtship became one of the standout storylines of both seasons.
Chloe brought enthusiasm and initiative to their relationship, while Mark approached it with genuine sincerity and hope.
Mark appeared in 7 episodes of the series across both seasons, making him one of the most frequently featured cast members. Chloe appeared in 5 episodes, also across both seasons.
Their connection resonated strongly with viewers. Fans took to social media to express their support for the couple, making them two of the most talked-about participants the show has produced.
Though their romantic relationship did not last beyond the show, both Mark and Chloe reportedly remained friends.
Their individual personalities and shared journey on screen gave the series some of its most genuine and warmly received moments.
Early Life of Mark and Chloe
Mark Radburn grew up in Australia with a deep love of dinosaurs and palaeontology.
He has described his dream job as becoming a palaeontologist, and his passion for prehistoric life is one of the most recognisable things about him from his time on screen.
Chloe Hatch is also Australian and grew up with a strong passion for anime and cosplay. She has described wanting someone to see beyond her autism, a sentiment that drove her decision to join the show in its very first season.
Both Mark and Chloe are on the autism spectrum, which is central to their participation in the series.
The show itself was designed to explore the dating experiences of autistic young adults in an authentic and compassionate way.
Their individual backgrounds, hobbies, and personalities made them stand out among the cast.
Mark’s enthusiasm for dinosaurs and Chloe’s creative interests in cosplay gave each of them a distinct presence that fans connected with quickly.
Mark and Chloe Age
Mark Radburn and Chloe Hatch have not publicly confirmed their exact dates of birth in verified sources.
Both appeared on the show as young adults when it premiered in November 2019 and returned for its second season, which aired in May 2021.
Mark and Chloe Ethnicity and Nationality
Both Mark Radburn and Chloe Hatch are Australian nationals. The show itself was produced in Australia by Northern Pictures for ABC, and its entire cast consists of Australians.
No further details about their specific ethnic backgrounds have been confirmed in public sources.
Mark and Chloe Career
Mark and Chloe both built their public profiles through their appearances on Love on the Spectrum Australia, a show created by Karina Holden and Cian O’Clery. The series was produced by Northern Pictures for Australia’s ABC network.
Joining Love on the Spectrum
Love on the Spectrum Australia first aired on ABC on November 19, 2019. The show followed young Australians on the autism spectrum as they worked with relationship specialist Jodi Rodgers to explore dating and forming connections.
Chloe appeared in the very first episode of season one, with the episode description noting that she hoped to find someone who could see beyond her disabilities.
Mark was introduced in episode three of season one, with his storyline centred on his desire to find love despite never having had a girlfriend.
The series connected the two, and their relationship became one of the defining narratives of the first season.
Chloe took the initiative in the relationship, which viewers found both touching and compelling.
Season Two and Their Relationship Arc
The show returned for its second season on May 18, 2021. Both Mark and Chloe came back as returning cast members, with Chloe now appearing as Mark’s girlfriend.
The second season allowed viewers to follow the next stage of their relationship.
During their time together, the couple went on several dates, including a charming dinner date that fans particularly remembered.
Chloe also spent the holidays with Mark’s family, a milestone that gave their relationship extra weight on screen.
The second season ultimately showed the couple deciding to remain friends rather than continue their romantic relationship.
Their breakup was handled with warmth and mutual respect, which was consistent with the tone the show maintained throughout its run. Both Mark and Chloe have reportedly stayed on good terms following the show.
A meme comparing their relationship to Wallace and Lady Tottington from the animated film Wallace and Gromit circulated among fans, and Chloe’s Instagram reportedly reposted it, suggesting she took the comparison in good humour.
Life After the Show
After the show’s second season concluded, both Mark and Chloe moved on as single individuals. Mark remained largely absent from social media, consistent with his more private nature.
He had shared on the show that he felt difficult feelings around not communicating his emotions well, but he spoke openly about wanting to find love in the future.
Chloe remained more publicly active, sharing content on her Instagram and Twitter, including her cosplay creations and moments with her best friend Brodie.
She also set up a Cameo account, where fans could send her messages and even access live five-minute video calls.
The platform allowed her to engage directly with viewers who had followed her journey on the show.
Chloe congratulated fellow cast member Sharnae Berresford on social media for an achievement at her workplace, showing she stayed connected to the broader Love on the Spectrum community.
She also expressed admiration for fellow season one castmate Thomas Wyndham on Twitter, joking warmly about seeing him on a bus.
About Love on the Spectrum Australia
Love on the Spectrum Australia ran for two seasons, from November 19, 2019 to May 18, 2021, on ABC.
In July 2020, Netflix released the series to international audiences under the title Love on the Spectrum Australia.
The show received strong critical praise. Rebecca Nicholson of The Guardian awarded it four out of five stars, describing it at its best as “a compassionate, human celebration of difference, and of love.”
The series earned 4 wins and 4 nominations during its run on IMDb. It was produced by Northern Pictures, the same Australian company behind the American adaptation and multiple Emmy-winning seasons.
The show connected with audiences by presenting autistic individuals as full, complex people with the same desires for love and belonging as anyone else.
Relationship specialist Jodi Rodgers appeared across both seasons, offering guidance and support to all cast members.
Following the success of the Australian version, Northern Pictures launched Love on the Spectrum U.S. on Netflix on May 18, 2022.
The American version went on to win multiple Emmy Awards, including Outstanding Unstructured Reality Program at the 74th Primetime Creative Arts Emmy Awards in 2022.
The Show’s Growing Legacy
The American version of Love on the Spectrum has continued to grow since its debut. A second US season premiered on January 19, 2024, and a third season followed on April 2, 2025.
A fourth season premiered on April 1, 2026, introducing new cast members Logan, Emma, and Dylan.
By 2025, the Love on the Spectrum franchise had accumulated seven Primetime Creative Arts Emmy wins in total across all seasons.
This made Northern Pictures the most decorated Australian company in Emmy history for a single series.
The Australian original, which introduced viewers to Mark and Chloe, played a foundational role in establishing that legacy.
The warmth and authenticity the Australian cast brought to the screen set the template for everything that followed.
Where Are Mark and Chloe Now?
As of 2026, both Mark and Chloe have kept their personal lives largely private. Mark has not maintained a visible public social media presence following the show’s conclusion.
Chloe has continued to be active online, sharing glimpses of her cosplay projects, selfies, and moments with her best friend Brodie.
Her Cameo account also allowed fans to stay connected with her through personalised video messages and live calls.
Both have remained part of the broader Love on the Spectrum community. The show’s enduring popularity has kept fans interested in their journeys, even years after their episodes first aired.
Neither Mark nor Chloe has confirmed a new romantic relationship in publicly verifiable sources as of 2026.
Both appear to be moving through life on their own terms, supported by the goodwill of a fanbase that genuinely rooted for them.
Mark and Chloe Social Media
Chloe Hatch has maintained a presence on Instagram and Twitter since her time on the show.
She posts cosplay content, personal updates, and interactions with fellow cast members and fans. Mark Radburn has not confirmed verified public social media handles in reliable sources.
The Bottom Line
Mark Radburn and Chloe Hatch became fan favourites through their appearances across both seasons of Love on the Spectrum Australia, which aired on ABC and Netflix between 2019 and 2021.
Their relationship arc, from a first date to a mutual decision to remain friends, gave the show some of its most genuine moments.
Chloe’s creativity in cosplay and her warm engagement with fans through Cameo have kept her connected to the community the show built.
Mark’s openness about wanting to find love, paired with his passion for palaeontology, made him one of the series’ most earnest and memorable personalities.
The show itself became part of a franchise that has now earned seven Primetime Emmy Awards, and its Australian first season, where Mark and Chloe’s story began, remains the foundation of that success.
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