[2] After moving to Melbourne in the late 1960s, he joined the Aboriginal Advancement League (AAL) and started becoming involved in Indigenous rights activism.

[3] After moving to Melbourne in the 1960s, Maza became a musician and actor, featuring in various television dramas, becoming particularly known for his role as the articled clerk Gerry Walters in the ABC series Bellbird.

He also appeared in many other television series, including Hunter, Homicide,[2] Harry's War, Wildside, A Difficult Woman, A Country Practice, Women of the Sun and Heartland.

[2] He also acted in films, including When the Stars Came Dreaming (1998), Lilian's Story (1996), The Back of Beyond (1995), The Nostradamus Kid (1993), Reckless Kelly (1993), Ground Zero (1987), The Fringe Dwellers (1986), BabaKiueria (1986), White Man's Legend (1984), and 27A (1974).

[4] The Keepers, based on the true story of a Scottish settler family meeting the last few members of the Buandig (Boandik) people of Rivoli Bay in South Australia[4] during the frontier wars, was performed at the Adelaide Fringe Festival, by the Troupe Theatre, directed by Geoff Crowhurst,[9] and at Belvoir Street Theatre in 1988,[2] starring Lillian Crombie and Danny Adcock, and directed by Maza.

[2] In 1981 Maza was an official delegate to the World Indigenous Festival in Canada[2][1] He won the National Black Playwright Award for The Keepers (1989).