Richard Chamberlain as Nat Bridger

John Houseman as Stanley Markowitz

Sara Botsford as Ridley Taylor

Robin Gammell as Noah Clayton

Gary Reineke as Lt. Meara

Barry Morse as Fred Waites

Alan Scarfe as John Websole

James B. Douglas as Jack Gilsdorf

Ken Pogue as Fil Thorner

Neil Munro as Winters

Jefferson Mappin as Photographer

Tom Butler as Detective Tamblyn

Colin Fox as Dr. Alderman

Luba Goy as Beth Freemantle

Lenore Zann as Connie Lawson

Antony Parr as Guard