Two on a Guillotine

Connie Stevens

Cassie / Melinda Duquesne

Dean Jones

Val Henderson

Cesar Romero

John Harley 'Duke' Duquesne

Parley Baer

Jules 'Buzzy' Sheridan

Virginia Gregg

Dolly Bast

Connie Gilchrist

Ramona Ryerdon

John Hoyt

Attorney Carl Vickers

Russell Thorson

Mr. Carmichael (uncredited)

Leon Alton

Theatre Audience Member (uncredited)

Walter Bacon

Carnival Patron (uncredited)

Dick Cherney

Theatre Audience Member (uncredited)

Beulah Christian

Theatre Audience Member (uncredited)

William Conrad

Fat Man in Hall of Mirrors (uncredited)

Billy Curtis

Big Mike (uncredited)