William Powell
Philo Vance
Acting
James Hall
Jimmie Spottswoode
Acting
Louise Brooks
The Canary
Acting
Jean Arthur
Alice LaFosse
Acting
Charles Lane
Charles Spottswoode
Acting
Lawrence Grant
John Cleaver
Acting
Gustav von Seyffertitz
Dr. Ambrose Lindquist
Acting
E.H. Calvert
District Attorney Markham (as Captain E. H. Calvert)
Acting
Eugene Pallette
Sergeant Heath
Acting
Ned Sparks
Tony Skeel
Acting
Louis John Bartels
Louis Mannix
Acting
Tim Adair
George Y. Harvey (uncredited)
Acting
Margaret Livingston
Body Double for Louise Brooks (uncredited)
Acting
Oscar Smith
Stuttering Hallboy (uncredited)
Acting