After the War, he abandoned a career with the Bank of England for the stage, appearing in a number of Whitehall farces and dramas on BBC television at Alexandra Palace.
[5][6] In 1946 he was a member of the "Radio Players", who performed Max Catto's They Walk Alone and Philip Johnson's Lover's Leap to outstanding reviews.
For a time, he was co-producer (with Richard Parry) for Kathleen Robinson's "Whitehall Institute of Dramatic Art",[7] a competitor of Doris Fitton's Independent Theatre.
He notably appeared as Gloucester in John Alden's 1951 production of King Lear at St James' Hall in Phillip Street.
[9] As "Mac" he became the central figure in the Australian Broadcasting Commission's 'Children's Session' and, as "Jason", became the leader, to children all over Australia, of the hugely popular Argonauts Club for most of its 31-year run, from 7 January 1941 until 2 April 1972.