The following information is derived from material held in the Crawford Collection:
Keith Lee (Conrad), Rowena Wallace (Zita), Alfred Bell (Stefan Kessler), Anastasia Malinoff (Rachel), John Smythe (Valdis), John Waters (Curt), Joe James (Kane), Barrie Barkla (Vic Darcy), Ian Smith (Marty), and Dian Morris (Nancy).
The casting call sheets held in the Crawford Collection also show the following information:
Other actors considered for the role of Conrad included Ron Haddrick.
Other actors considered for the role of Stefan Kessler included Terry Norris, Richard Meikle, and Tim Elliot.
Other actors considered for the role of Valdis included Ernie Gray, John Diedrich, Martin Phelan, and Rod Anderson.
Other actors considered for the role of Curt included Serge Lazareff and Ross Thompson.
Other actors considered for the role of Kane included Don Barkham.
Graeme Mathrick was cast as Courier.
The guards were played by Louis Seater, Hewan O'Neill, Don Kerr, Matt Nicholson, and Tony Sprague.
Actors considered for the role of Ambulance Driver included Peter Culpan, Bruce Barnes, Chris Dunn, and Terry Mountain.
The stuntmen were Tony Sprague, Errol Archibald, and Keith Halliwell.
