William Powell

Nick Charles

Myrna Loy

Nora Charles

Keenan Wynn

Clarence 'Clinker' Krause

Dean Stockwell

Nick Charles Jr.

Phillip Reed

Tommy Drake

Patricia Morison

Phyllis Talbin

Leon Ames

Mitchell Talbin

Gloria Grahame

Fran Page

Jayne Meadows

Janet Thayar

Ralph Morgan

David Thayar

Bess Flowers

Jessica Thayar

Don Taylor

Buddy Hollis

Warner Anderson

Dr. Monolaw

Bruce Cowling

Phil Brant

Connie Gilchrist

Bertha

Henry Nemo

Neem

William Bishop

Al Amboy

Marie Windsor

Helen Amboy

Morris Ankrum

Inspector (uncredited)

James Burke

Policeman Callahan (uncredited)

Tom Dugan

Policeman Davis (uncredited)

James Flavin

Policeman Reardon (uncredited)

Esther Howard

Sadie (uncredited)

Clinton Sundberg

Mr. Purdy (uncredited)

Asta Jr.

Asta (uncredited)

Harry Crane

Additional Dialogue

Dashiell Hammett

Characters

Steve Fisher

Screenplay

Nat Perrin

Screenplay

James O'Hanlon

Additional Dialogue

Edward Buzzell

Director

Stanley Roberts

Story

Charles Rosher

Director of Photography

Irene

Costume Supervisor

Gene Ruggiero

Editor

Edwin B. Willis

Set Decoration

Cedric Gibbons

Art Direction

Douglas Shearer

Recording Supervision

David Snell

Music

Jack Dawn

Makeup Designer

Nat Perrin

Producer

Sydney Guilaroff

Hair Designer

Randall Duell

Art Direction