- Saul Rubinek - Lon Cohen
- Debra Monk - Rachel Bruner
- Francie Swift - Sarah Dacos
- Conrad Dunn - Saul Panzer
- Fulvio Cecere - Fred Durkin
- Trent McMullen - Orrie Cather
- Gretchen Egolf - Marian Hinckley
- Hrant Alianak - Vincent Yarmack
- Marty Moreau - The Driver
- Ken Kramer - Dr. Vollmer
- David Schurmann - Adrian Evers
- Nicky Guadagni - Ivana Althaus
- Nicky Guadagni - Elaine Usher
- Peter Mensah - Receptionist
- Aron Tager - Bernard Fromm
- Aron Tager - Commissioner Fromm
- Robert Bockstael - Paul Schuster
- Robert Bockstael - Timothy Quayle
- Steve Cumyn - Cecil Grantham
- Steve Cumyn - Frank Odell
- James Tolkan - FBI Agent Richard Wragg
- James Tolkan - Mr. Hackett
- James Tolkan - Richard Wragg
- Marian Seldes - Louise Grantham Robilotti
- Kari Matchett - Celia Grantham
- Kathryn Zenna - Helen Yarmis
- Alex Poch-Goldin - Edwin Laidlaw
- Boyd Banks - Austin 'Dinky' Byne
- Janine Theriault - Ethel Varr
- Michael Rhoades - Beverly Kent
- Christine Brubaker - Rose Tuttle
- David Schurmann - Robert Robilotti
- Julian Richings - Alger Kates
- Julian Richings - Poet
- Julian Richings - Peter Jay
- Julian Richings - Jerome Aland
- R.D. Reid - Sergeant Purley Stebbins
- R.D. Reid - Purley Stebbins
- Sarain Boylan - Nora Jaret
- Cynthia Watros - Phoebe Gunther
- Joe Flaherty - Dr. Vollmer
- George Plimpton - Winterhoff
- Rex Stout
- Michael Jaffe
- John L'Ecuyer
- James Tolkan
- Delia Fine
- Sharon Doyle
- Holly Dale
Julian Richings interpreta a Alger Kates en la serie.
Saul Rubinek hace el papel de Lon Cohen.
Maury Chaykin interpreta a Nero Wolfe en la serie.
Colin Fox interpreta a Fritz Brenner en la serie.
Bill Smitrovich interpreta a Inspector Cramer en la serie.
Capítulo disponible en las siguientes plataformas:
