Nero Wolfe

Edward Arnold

Ellen Barstow

Joan Perry

Archie Goodwin

Lionel Stander

Mazie Gray

Dennie Moore

Claude Roberts

Victor Jory

Sarah Barstow

Nana Bryant

Mazie Gray

Dennis Moore

Manuel Kimball

Russell Hardie

Emanuel Jeremiah (E.J.) Kimball

Walter Kingsford

Prof. Edgar Barstow

Boyd Irwin

Olaf

John Qualen

Det. Lt. O'Grady

Gene Morgan

Maria Maringola

Rita Hayworth

Dr. Nathaniel Bradford

Frank Conroy

Carlo Maringola

Juan Torena

The Apartment House Maid

Martha Tibbetts

Mike

Ted Offenbecker

Golf Starter (uncredited)

Eddy Waller

Minor Role (uncredited)

Henry Roquemore

Mike

George Offerman Jr.

Johnny

Billy Benedict

Tommy

Raymond Borzage

Bill

William Anderson

Butler

Eric Wilton

Attendant

Allen Matthews

Kimball's Chauffeur

David Worth

Messenger Boy

Roy Bliss

Arthur Stuart Hull

Jay Owens

Arthur Rankin

Mike

George Offerman