Although the episode was never produced, the Crawford Collection holds a cast list with the following actors:
Marilyn Rogers (Marion), John Frawley (McAllister), Grigor Taylor (Steve), Noel Browne (Greg), Vernon Wells (Denny), Denzil Howsen (Freeman), Carl Bleazby (Taylor), Carl Bennett (Snowy), Roy Baldwin (Driver), Peter Ashby (Guard), Frits Maaten (Arnie West), Brian O'Callaghan (Nugget Novak), Clive Carter (Percy Stevens), Rod Densley (Forensic Man), Rod Ferguson and John Egan (Plainclothes Detectives), Peter Culpan and Keith Halliwell (Uniformed Policemen), Peter Jackson (Frogman), Seumai Chong (Stunt Double: Marion), Peter Culpan (Stunt Double), and Keith Halliwell (Stunt Double).
