The following information is derived from material held in the Crawford Collection:
Rowena Wallace (Sue Ogilvie), Don Barker (Steve Roberts), Jill Forster (Sheila), David Griffin (Tony Moss), Peter Gwynne (Fitch), Brian Moll (Topley), Jeffrey Hodgson (Ian Hagerty), Frank Wilson (Doctor Thomas), Paul Glen (Photographer), Gary Down (Albert), Ken Snodgrass (Guard), Tony Sprague (Terry), Jannie Brown (Nurse), Ann Capek (Nurse 2), Bill Randall (Bartender), Peter Culpan (Man at Bar 1), Colin Macdonald (Man at Bar 2), Jan Lord (Bar Extra), Stanley Snell (Kiosk Attendant), and Gary Howard and Alan Large (Stunt drivers).
The casting call sheets held in the Crawford Collection also show the following information:
Other actors considered for the role of Sue Ogilvie include Jacki Weaver, Kate Fitzpatrick, Helen Morse, Tina Cornioley, and Diane Craig.
Other actors considered for the role of Steve Roberts include Peter Sumer.
Other actors considered for the role of Sheila include Carmen Duncan.
Other actors considered for the role of Tony Moss include Jim Smillie.
Other actors considered for the role of Fitch include Bruce Barry and Owen Weingott.
Other actors considered for the role of Ian Hagerty include Paul Karo and Ron Falk.
Other actors considered for the role of Albert include John Norman and Denis Grosvenor.
Other actors considered for the role of Guard included George Cunningham.
Other actors considered for the role of Bartender include Jeffrey Booth and John Black.