[3] Originally from Sydney,[4] Alexander studied engineering and law at the University of Adelaide before deciding to pursue acting as a career.
On the big screen, he had roles in Submarine X-1 (1968), Superman (1978), Hanover Street (1979) and All About a Prima Ballerina (1980).
His other Anderson appearances were in the film Doppelgänger (1969) and the TV series The Secret Service and UFO – the latter, as recurring character Lieutenant Keith Ford.
Alexander also spent time the United States, where he worked on The Ed Sullivan Show providing the English-language voice of the Italian puppet mouse Topo Gigio.
[10] Alexander moved back to Australia in the early 1990s, where he continues to act in Australian productions.