Don Murray

William Martin

Bert Convy

F.J. Allen

Yvonne De Carlo

Lorraine

Gloria Grahame

Carolyn Porter

Van Johnson

Johnny Leverett

Ralph Meeker

Inspector DeBiesse

Cameron Mitchell

Norman Wilder

Mary Ann Mobley

The Librarian

Joe Santos

Lieutenant Scott

Laraine Stephens

Paula

John Ireland

Bruno Walters

Walter Pidgeon

John Pahlman

Felice Orlandi

Feldman

Sherry Jackson

Pat Clauson

Frankie Darro

Studio Guard

Candice Rialson

Janet (uncredited)