Nero Wolfe

Archie Goodwin

Mazie Gray

Claude Roberts

Sarah Barstow

Ellen Barstow

Manuel Kimball

Emanuel Jeremiah (E.J.) Kimball

Prof. Edgar Barstow

Olaf

Det. Lt. O'Grady

Marie Maringola

Dr. Nathaniel Bradford

Carlo Maringola

The Apartment House Maid

Minor Role (uncredited)

Golf Starter (uncredited)

Writing