[1][2] Bald and heavily built, Warren went to North Sydney Boys High School.

He emigrated to the UK in the late 1950s, after appearing in the West End with the Australian play Summer of the Seventeenth Doll.

[4] Among his television roles were the Danger Man episode "The Paper Chase"; and as the diabolical film director Z.Z.

[5] He also appeared in an episode of Steptoe and Son ("Cuckoo in the Nest", 1970) as Harold's supposed older half-brother.

[8] In 1972, he appeared in one episode of the ITV show, 'The Frighteners', with Brian Glover called 'The Minder'.