In 1957, he moved to Britain, where his background as a singer earned him a part in a revue alongside Beryl Reid, Patrick Wymark and Sheila Hancock.

[4] He also voiced characters in Gerry Anderson-produced "Supermarionation" series of the 1960s: Stingray (1964–65), as Commander Shore and Titan, and Thunderbirds (1965–66) as John Tracy, the Hood and various extras.

In 1980, he played the part of the controversial Australian historical figure Governor Bligh in the ABC Television production The Timeless Land.

Barrett also appeared in such films as Don's Party and The Carmakers (about the 1973 release of the Leyland P76 car, co-starring Noel Ferrier and Nick Tate).

[6] Barrett died on 8 September 2009 at the Gold Coast Hospital in Southport, Queensland, aged 82, after suffering a brain haemorrhage.