Rock Hudson as Stewart McMillan

Susan Saint James as Sally McMillan

Jack Albertson as Chief Andrew Yeakel

René Auberjonois as Andre Stryker

Kurt Kasznar as Edmond Corday

Jonathan Harris as Mr. Wortzel

Herb Edelman as Gregory Constantine

John Schuck as Sgt. Charles Enright

James Wainwright as John Patterson

Lilyan Chauvin as Madame Jarnac

Linda Watkins as Emily Hull

Frank Orsatti as Dewhawk

Stacy Keach, Sr. as Dr. Hinton

Gretchen Kanne as Ann

Jerry Harper as George

Gerald Hiken as Etienne Jacoby