Appeared in quite a few films together with his wife, Googie Withers, then returned to Australia where he directed and produced films, and appeared on stage frequently with his wife.
Debonair, gentlemanly Australian leading man and supporting player of English films during the late 40s and early 50s.
He was awarded the A.O. (Officer of the Order of Australia) in the 1992 Queen's Birthday Honours List for his services to the performing arts.
He was awarded the CBE (Commander of the Order of the British Empire) in the 1971 Queen's New Years Honours List for his services to the performing arts.
Not the same person as Scotland-born actor John C. McCallum, who often worked as John McCallum in secondary roles in USA films of the 1930s and 1940s.