Robert Wagner

Bud Corliss

Jeffrey Hunter

Gordon Grant

Virginia Leith

Ellen Kingship

Joanne Woodward

Dorothy ('Dorie') Kingship

Mary Astor

Mrs. Corliss

George Macready

Leo Kingship

Robert Quarry

Dwight Powell

Howard Petrie

Howard Chesser, Chief of Police

Bill Walker

Bill, the Butler

Molly McCart

Annabelle Koch

Marlene Felton

Medical Student

Robert Ivers

Student at murder scene