Thayer David
Nero Wolfe
Tom Mason
Archie Goodwin
Anne Baxter
Mrs. Rachael Bruner
Brooke Adams
Sarah Dacos
Biff McGuire
Insp. Cramer
Sarah Cunningham
Mrs. Althaus
John Randolph
Lon Cohen
John O'Leary
Theodore Horstmann
David Hurst
Fritz Benner
Lewis Charles
Saul Panzer
Frank Campanella
Fred Durkin
John Gerstad
Dr. Vollmer
John Hoyt
Hewitt
Ivor Francis
Evers
Allen Case
FBI Chief Rugby
Katharine Charles
Marian Hinckley
Robert Phalen
Yarmack
Sam Weisman
Quayle
David Lewis
Mr. Althaus
Rod Browning
2nd FBI Man
Joe George
O'Dell
Richard Ford Grayling
1st FBI Man
Charles Horvath
Purse Stealer / Wolfe Operative (uncredited)