The following information is derived from the casting call sheets held in the Crawford Collection:
Charles Tingwell ('Big Bad John' Smith), Jacki Weaver (Val Smith), David Cameron ('Hank' Fletcher), Jill Forster (Mrs Hudson), Mackie Smetana (Zuka), Jack Perry (Bell), Mary Marschell (Mrs Johnson), Jennifer Craig (Shop assistant), Les James (Car dealer), Will Deumer (Hippy 1), Peter Westheimer (Hippy 2), Michael Duffield (Sydney Superintendant), Ian Beith (D.D.I.), Robin Bowering (Doctor), Judy Johnson (Lady shopper), and John Partridge, Graham Partridge, and Errol Archibald (Stunt drivers).
The casting call sheets also show the following information:
Other actors considered for the role of Mrs Hudson included Loriel Smart.
The roles assigned to Peter Westheimer and Will Deumer were originally reversed, with Westheimer having the speaking role of Hippy 1 and Deumer the non-speaking role of Hippy 2.
Other actors considered for the role of 'Sydney Superintendant' included John Frawley.
