Philo Vance
William Powell
The Canary
Louise Brooks
Mannix
Louis John Bartels
George Y. Harvey (uncredited)
Tim Adair
Double for Margaret O'Dell (uncredited)
Margaret Livingston
Stuttering Hallboy (uncredited)
Oscar Smith
Alice LaFosse
Jean Arthur
Jimmy Spottswoode
James Hall
Charles Spottswoode
Charles Lane
John Cleaver
Lawrence Grant
Dr. Ambrose Lindquist
Gustav von Seyffertitz
Dist. Atty. John F.X. Markham (as Captain E. H. Calvert)
E.H. Calvert
Sgt. Ernest Heath
Eugene Pallette
Tony Skeel
Ned Sparks
Director
Frank Tuttle
Costume Design
Travis Banton
Malcolm St. Clair
Screenplay
Florence Ryerson
Novel
S.S. Van Dine
Dialogue
Herman J. Mankiewicz
Adaptation
Albert S. Le Vino
Cinematography
Harry Fischbeck
Music
Karl Hajos
Associate Producer
Louis D. Lighton
Cliff Blackstone
Editor
William Shea