James Farentino
— Eddie Holcomb
Roddy McDowall
— Marvin Ellis
Craig Stevens
— Dr. Stuart Reynolds
Don Stroud
— Pete Howarth
Teresa Wright
— Edith Reynolds
Myrna Loy
— Amanda Kenyon
Carol Lynley
— Irene Turner
Arlene Golonka
— Wendy Thompson
Barry Livingston
— Robert Peters
Jean Allison
— Mrs. Peters
Bob Fisher
— Alan Rambeau
Paul Sorensen
— Detective Lieutenant
Ed Deemer
— Parking Attendant
Will J. White
— 1st Security Guard
Jack Griffin
— Delivery Man
Jason Wingreen
— 2nd Security Guard