Nero Wolfe (28 Episodes)

Archie Goodwin (28 Episodes)

Inspector Cramer (28 Episodes)

Fritz Brenner (19 Episodes)

Belinda Reade (2 Episodes)

Poet (2 Episodes)

Saul Panzer (4 Episodes)

FBI Agent Richard Wragg (2 Episodes)

Fred Durkin (3 Episodes)

Sergeant Purley Stebbins (2 Episodes)

Orrie Cather (2 Episodes)

Elaine Usher (1 Episodes)

Bernard Fromm (1 Episodes)

Timothy Quayle (1 Episodes)

Cecil Grantham (1 Episodes)

Phoebe Gunther (2 Episodes)

Dr. Vollmer (2 Episodes)

Winterhoff (2 Episodes)

Lon Cohen (1 Episodes)

Rachel Bruner (1 Episodes)

Sarah Dacos (1 Episodes)

Marian Hinckley (1 Episodes)

Vincent Yarmack (1 Episodes)

The Driver (1 Episodes)

Dr. Vollmer (1 Episodes)

Adrian Evers (1 Episodes)

Receptionist (1 Episodes)

Louise Grantham Robilotti (1 Episodes)

Celia Grantham (1 Episodes)

Helen Yarmis (1 Episodes)

Edwin Laidlaw (1 Episodes)

Austin 'Dinky' Byne (1 Episodes)

Ethel Varr (1 Episodes)

Beverly Kent (1 Episodes)

Rose Tuttle (1 Episodes)

Robert Robilotti (1 Episodes)

Nora Jaret (1 Episodes)