Barry Creyton began his career at the age of 17 in theatre and in radio in Australia and by age 20, was playing leads on stage, and in national radio productions.  He also hosted his own weekly radio program devoted to theatre news and interviews. At 21, he made his Australian television debut as Lorenzo in a national television production of The Merchant of Venice.   
For three seasons, he starred in the TV series The Mavis Bramston Show.  This ground  breaking show, the highest rated in the history of Australian television, dealt with topical and political satire.
Creyton relocated to England for twelve years playing comedy and dramatic roles in London's West End - including Don's Party (Royal Court), Roger's Last Stand (Duke of York's), Ten Years Hard (Mayfair), Urban Guerilla  (Soho Poly), a revival of the musical Salad Days, and Liz, a musical based on Aristophanes' Lysistrata as well as several revues and the National Tour of Abelard and Heloise.
On his return to Australia, Creyton starred in many theatre productions - Ayckbourn's Bedroom Farce, Season's Greetings and Absurd Person Singular, Frayn's Noises Off, and in Pack Of Lies, Side By Side By Sondheim, The Owl And The Pussycat, Suddenly At Home, The Philanthropist, and played twins in the comedy-thriller Corpse.
He guest starred on many popular TV episodics. These roles were generally amorous cads or big-business villains - characters at odds with the comedies he played on the stage.  They included The Restless Years, The Young Doctors, Skyways, Cop Shop, The Sullivans, I Married a Bachelor, Cuckoo in the Nest, as well as guest star roles in TV movies, Image of Death, All at Sea, the Michael Powell feature, They're a Weird Mob and the BBC's Robert Louis Stevenson in Australia.
He turned to directing, with the musical Nunsense which broke box office records all over Australia, and employed two companies playing simultaneously.
A motorcycle accident during the run of Corpse resulted in a badly broken leg.  The long recuperation period enabled him to write a stage comedy, Double Act. 
Since 1990, Creyton has worked almost exclusively in the United States, principally as writer and director. He relocated from New York to Los Angeles when commissioned to write a movie of the week for Hearst Television, while his off Broadway revue Secrets Every Smart Traveler Should Know ran for two and a half years in New York. His critically acclaimed adaptation of Noël Coward's Peace in Our Time for the Antaeus Theatre Company in L.A. received the Ovation Award and the L.A. Weekly Annual Theatre Award; the L. A. Times voted the production among the best world theatre of the year.
He has appeared on stage at the Antaeus Theatre in Balzac's Cousin Bette, Shaw's The Doctors Dilemma and Moliere's School For Wives  and as Apollo in The Curse of Oedipus.
Creyton returns to Australia periodically for theatre engagements, starring in Noël Coward’s Blithe Spirit, directing and starring in his own plays, Later Than Spring and Valentine's Day (since produced in several languages and, along with his Double Act, in constant repertoire in Europe), and in 2007 he returned to Sydney's Ensemble Theatre to star in Peter Quilter's play Glorious, and again in 2010 in Quilter's Duets, in which he played four diverse characters.
His young adult novels, The Dogs of Pompeii and Nero Goes to Rome, co-authored with American writer Vaughan Edwards, are published by Random House, and his novel Murder is Fatal, an affectionate parody of noir movies, was published in 2017.
His novel The View from Olympus Mons, was published in 2022 by NineStar Press.
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