Stuart Whitman as Capt. Tony Saitta

John Saxon as Sgt. Ned Matthews

Martin Landau as Dr. George Tracer

Tisa Farrow as Julie Foster

Carole Laure as Louise Saitta

Jean LeClerc as Fred

Gayle Hunnicutt as Margie Cohn

Peter MacNeill as Alexander

Jean Marchand as Terence

Andrée St-Laurent as Rose Tracer

Julie Wildman as

Jérôme Tiberghien as Ted Sullivan

Dave Nichols as

Antony Forest as

James Tapp as

Terence G. Ross as

Jane Chandler as

Jean Guilda as Cinderella (uncredited)

Aubert Pallascio as Peterson (uncredited)