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)