Elenco
Alan Curtis
Philo Vance
Vivian Austin
Laurian March (as Terry Austin)
Frank Jenks
Ernie Clark
Tala Birell
Tina Cromwell
Gavin Gordon
Oliver Tennant
Cliff Clark
Inspector Walsh
James Burke
Lt. Burke
Toni Todd
Geegee Desmond
Francis Pierlot
Roberts
Joseph Crehan
Ellis Mason
Garnett Marks
Charles O'Mara
Grady Sutton
Willetts
Charles Mitchell
Guy Harkness
Joanne Frank
Norma Harkness
Dan Seymour
Jeffrey Connor
Karolyn Grimes
Pat Roberts
Kenneth Farrell
Alberto the Costume Designer (uncredited)
Equipe
Alvin Levin
Original Music Composer
Arthur St. Claire
Writer
Howard Welsch
Producer
W. Donn Hayes
Editor
Jackson Rose
Director of Photography
Basil Wrangell
Director
Lawrence Taylor
Story
Eugene Conrad
Screenplay
Irving Friedman
Music Director
Ivan Volkman
Assistant Director
William Kiernan
Set Decoration
J.N.A. Hawkins
Sound
Perry Smith
Art Direction
W.C. Smith
Sound
Eugene Joseff
Costume Design
S.S. Van Dine
Characters
Alfred DeGaetano
Supervising Editor
Armor Marlowe
Set Decoration