Maury Chaykin
Nero Wolfe (11 eps)
Timothy Hutton
Archie Goodwin (11 eps)
Bill Smitrovich
Inspector Cramer (11 eps)
Dina Barrington
Daphne O'Neil (3 eps)
Conrad Dunn
Saul Panzer (2 eps)
Fulvio Cecere
Fred Durkin (2 eps)
Trent McMullen
Orrie Cather (2 eps)
James Tolkan
Mr. Hackett (2 eps)
Nicky Guadagni
Elaine Usher (2 eps)
Aron Tager
Commissioner Fromm (2 eps)
Robert Bockstael
Paul Schuster (2 eps)
Steve Cumyn
Cecil Grantham (2 eps)
Saul Rubinek
Lon Cohen (1 eps)
Debra Monk
Rachel Bruner (1 eps)
Francie Swift
Sarah Dacos (1 eps)
Gretchen Egolf
Marian Hinckley (1 eps)
Hrant Alianak
Vincent Yarmack (1 eps)
Ken Kramer
Dr. Vollmer (1 eps)
David Schurmann
Adrian Evers (1 eps)
Peter Mensah
Receptionist (1 eps)
Marian Seldes
Louise Grantham Robilotti (1 eps)
Kari Matchett
Celia Grantham (1 eps)
Kathryn Zenna
Helen Yarmis (1 eps)
Alex Poch-Goldin
Edwin Laidlaw (1 eps)
Boyd Banks
Austin 'Dinky' Byne (1 eps)
Janine Theriault
Ethel Varr (1 eps)
Michael Rhoades
Beverly Kent (1 eps)
Christine Brubaker
Rose Tuttle (1 eps)
R.D. Reid
Purley Stebbins (1 eps)
David Schurmann
Robert Robilotti (1 eps)