Joyce Taylor
Althea
Mark Damon
Eduardo
Eduard Franz
Orsini
Michael Pate
Bruno
Merry Anders
Sybil
Meg Wyllie
Woman
Dayton Lummis
Roderick, Count of Sardi
Walter Burke
Grimaldi
Alexander Lockwood
Man
Charles Wagenheim
Mario
Herman Rudin
Pasquale
Jon Silo
Benito
Edward L. Cahn
Director
Gilbert Warrenton
Director of Photography
Orville H. Hampton
Writer
Robert Carlisle
Editor
George Bruce
Writer
Robert E. Kent
Producer
Hugo Friedhofer
Original Music Composer
Sabine Manela
Costume Design
Ben Hersh
Production Supervisor
Franz Bachelin
Art Direction
Morris Hoffman
Set Decoration
Jerry Bos
Costume Design
Ralph Acton
Casting
Joseph Small
Production Manager
Herbert S. Greene
Assistant Director