Peter Lawford

Ellery Queen

Harry Morgan

Insp. Richard Queen

E.G. Marshall

Dr. Cazalis

Skye Aubrey

Christy

Stefanie Powers

Celeste

Coleen Gray

Mrs. Cazalis

Morgan Sterne

Police Commissioner

Bill Zuckert

Sgt. Velie

Bob Hastings

Hal Hunter

Than Wyenn

Registrar

Buddy Lester

Policeman

William Lucking

Lt. Summers