His first employment was as a reporter at the Perth Daily News, but he then transferred to the Australian Broadcasting Commission as a radio producer.
[7] Probably his greatest achievement in these years was the 5 October 1960 live production in prime time of the two-hour epic Shakespeare play, The Life and Death of King Richard II, using all three studios at Gore Hill.
Menmuir directed for stage Alan Seymour's play, The One Day of the Year at Theatre Royal Stratford East, which started his association with many production venues.
[8] His productions included: Z Cars, The Avengers, No Hiding Place, Corridors of Power, and The Duchess of Duke Street.
[5] During several returns to Australia, he was responsible for Ballad for One Gun (1963) (about Ned Kelly), and Special Squad and the movie Fortress for Crawford Productions.