Full Credits
16 members

Grant Williams
Charles Campbell

Shirley Knight
Terry Ames

Onslow Stevens
Dr. W.L. Janz, M.D.

William Leslie
Dr. David Lindsay

Hope Summers
Mrs. Quimby

Anne Helm
Jean Quimby

Harold Gould
Hollingsworth

Simon Scott
Lt. Kritzman
Michael Bachus
Sgt. Bonner

Harry Holcombe
District Attorney

Jackie Searl
Belmont

Hal Smith
Man Demonstrating Novelty Toys
Ronnie Dapo
Boy Watching Toy Demonstration
Julie Van Zandt
Edna (uncredited)

Tim Rooney
Bobby (uncredited)
Dee Carroll
Recovery Room Nurse (uncredited)
9 members
Owen Crump
Director
Owen Crump
Story
Robert Bloch
Screenplay
Blake Edwards
Story
Owen Crump
Producer
Harold E. Stine
Director of Photography
Stanley Jones
Sound
Jack Poplin
Art Direction
Leo H. Shreve
Editor