Jim Hutton (40)

Ellery Queen

David Wayne (61)

Inspector Richard Queen

Tom Reese (46)

Sgt. Thomas Velie

Art Balinger (60)

Newscaster (uncredited)

John Larch (60)

District Attorney

Nancy Kovack (40)

Monica Gray

Warren Berlinger (37)

Eddie Carter

Monte Markham (39)

Tom McKell

Gail Strickland (29)

Gail Stevens

Victor Mohica (41)

Ramon

Jimmy Lydon (51)

Actor

Basil Hoffman (37)

Fingerprint Expert

Dick Cherney (60)

Court Clerk (uncredited)

Bob Harks (47)

Courtroom Spectator (uncredited)