as Barry Metcalfe

as Peter Rhys Evans

as Richard

as Neville Stern

as Attorney

as Dr. Hackett

as Salter

as Dean Harvey Rockwell

as Rick Day

as Collins

as Johnson

as Marco

as Dr. Lambert

as Milo Seymour

as Norman McQuarry

as Fred Swanson

as Johnny Allen (uncredited)

as Worried Boss

as Greg Trent

as Director