William Powell

Philo Vance

Louise Brooks

The Canary

Jean Arthur

Alice LaFosse

James Hall

Jimmy Spottswoode

Charles Lane

Charles Spottswoode

Lawrence Grant

John Cleaver

Gustav von Seyffertitz

Dr. Ambrose Lindquist

E.H. Calvert

Dist. Atty. John F.X. Markham (as Captain E. H. Calvert)

Eugene Pallette

Sgt. Ernest Heath

Ned Sparks

Tony Skeel

Louis John Bartels

Mannix

Tim Adair

George Y. Harvey (uncredited)

Margaret Livingston

Double for Margaret O'Dell (uncredited)

Oscar Smith

Stuttering Hallboy (uncredited)

Frank Tuttle

Director

Malcolm St. Clair

Director

Albert S. Le Vino

Guión, Adaptation

Herman J. Mankiewicz

Guión, Dialogue

S.S. Van Dine

Guión, Novela

Florence Ryerson

Guión Adaptado

Cliff Blackstone

Director de Fotografía

Harry Fischbeck

Director de Fotografía

Karl Hajos

Compositor de la Música Original, Música

Paramount Pictures

Compañía de Produccion

Louis D. Lighton

Productor Asociado

Travis Banton

Diseño de Vestuario

William Shea

Editor

Harry Fischbeck

Cinematografía

Cliff Blackstone

Cinematografía