David McKail

as Johann Schmidt's Artist

as Fifth Geographer

as Minister

as Dr English

as Lac Arnold (uncredited)

as Sergeant Kyle

as Bruce Fairlight

as Consultant

as Frink

as Coroner

as Oscar

as Jack Smithson

as Sergeant Kyle

as Macgregor

as Councillor Doyle

as Dr. Mckenzie / Pathologist

as Dr. McKenzie

as Derek Munro

as William Penn

as Bruce Fairlight

as Clifford Jennings

as Toby Rowlands