About Tom O'Sullivan
Born 2000. Tom O'Sullivan is an Australian actor and television actor.
Tom O'Sullivan is an Australian television, film and theatre actor. O’Sullivan was born in Perth, Western Australia, and later relocated to Sydney to study at the National Institute of Dramatic Art where he graduated in 2003. His first television role was a guest role on the soap opera Home and Away and was followed by playing Tom Huppatz in the ABC TV mini-series Rain Shadow. In 2010, O'Sullivan played Sean 'Grunter' Sinclair in the crime drama Underbelly: The Golden Mile and joined the main cast of Nine Network drama Cops LAC playing Senior Constable Nathan Holt. He has also portrayed William Chambers in the TVNZ 1 drama When We Go To War and Michael Shrimpton in the Seven Network drama series Molly.
Aside from his television work, O'Sullivan has appeared in mainstream films and independent short films. The actor has also concentrated on theatre work throughout his career. His involvement at the 2006 Short and Sweet theatre festival helped boost his profile and he gained numerous other stage roles.
Early life O’Sullivan was born in Perth, Western Australia, and went to Guildford Grammar School. When he finished studying he spent one year travelling. O'Sullivan moved from Perth to study acting at the National Institute of Dramatic Art in Sydney. He resides in Balmain, New South Wales.
Career Television and film O'Sullivan has appeared in numerous television series, films and theatre works. He has also contributed to some as a writer. The actor believed that by gaining experience in all three would be the best way to further his career. O'Sullivan secured the role of Tom Huppatz in the mini-series Rain Shadow, which aired on ABC TV from 7 October 2007. He also gained small roles in the mainstream films Fool's Gold (2008) and X-Men Origins: Wolverine (2009).
In 2010, O'Sullivan took a role on crime drama Underbelly: The Golden Mile playing Sean 'Grunter' Sinclair. The character was described as an officer with ten years of experience in the police force. Nine Network decided not to renew the show for a second season. At the time O'Sullivan stated that Nathan had been his most high-profile role. He felt at ease playing Nathan because of his research into his role in Underbelly and similar characters he played in theatre. He also appeared in the short film Invisible playing Mitch. The film was an official selection at various independent film festivals. He also played Adam Evans in the Network Ten comedy drama series Wonderland. Next came a guest appearance in the drama A Place to Call Home playing Jack Duncan Snr in the episode titled "The Ghosts of Christmas Past", which aired on 8 June 2014. O'Sullivan played the role of Connor in The Reckoning. The character is a "proud and intelligent" Australian doctor who resides in New Zealand and served in the Gallipoli Campaign.
In 2017, O'Sullivan returned to Home and Away, this time playing Brian Gilbert. In addition was a small role in the film Alien: Covenant. He also played Michael Gibson in the first episode of Nine Network drama Bite Club and played a doctor in an episode of Preacher.
Theatre O'Sullivan has also concentrated on theatre work gaining roles in various productions. He then took part in the 2006 Short and Sweet theatre festival which helped launch his stage career. Notable works include playing Ferdinand and Caliban in Harlos Productions 2007 stagings of Shakespeare's The Tempest and Peter in Dying City. In 2009, O'Sullivan took the role of Craig in the Black Swan State Theatre Company production of The Dark Room, an original Australian play. That year he took on Freddy Page in The Deep Blue Sea at The Playhouse Theatre. In September 2011, the actor starred in a Cat On A Hot Tin Roof at Perth's State Theatre Centre of Western Australia. From January to February 2012, O'Sullivan appeared as Stanley Saunders in Hillary Bell's The White Divers of Broome at the Heath Ledger Theatre.
In September 2015, he starred in the theatre productions Ride and Fourplay which opened at the Eternity Playhouse, Sydney. In November 2018, O'Sullivan appeared in 80 Minutes No Interval at Theatre Works, St. Kilda.
Filmography
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Important facts
People in Tom O'Sullivan's life
Named in this biography and alive at the same time
Contemporaries
People whose lives overlapped Tom O'Sullivan's
Frequently asked questions
Who is Tom O'Sullivan?
Australian actor
When was Tom O'Sullivan born?
Tom O'Sullivan was born in 2000 in Perth.
What is Tom O'Sullivan's occupation?
Tom O'Sullivan is an actor and television actor.
What nationality is Tom O'Sullivan?
Tom O'Sullivan is Australian.
Sources & further reading
· DBpedia: Tom O'Sullivan (actor)
Cite this page
APA: Biography.guide. (2026). Tom O'Sullivan. https://biography.guide/tom-o-sullivan/
MLA: "Tom O'Sullivan." Biography.guide, https://biography.guide/tom-o-sullivan/.
Chicago: "Tom O'Sullivan." Biography.guide. https://biography.guide/tom-o-sullivan/.
Data last updated: 2026-09-22 · Spot an error? Report a correction.
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