| Person | Type | Job | Role(s) | Episodes |
|---|---|---|---|---|
 Charles B. Wessler | Crew | Production | Producer | 27 |
 Craig David | Crew | Production | Supervising Producer | 27 |
Delia Fine | Crew | Production | Executive Producer | 27 |
 Holly Dale | Crew | Production | Producer | 27 |
 Howard Braunstein | Crew | Production | Executive Producer | 27 |
 James Tolkan | Crew | Production | Producer | 27 |
John L'Ecuyer | Crew | Production | Producer | 27 |
 Michael Jaffe | Crew | Production | Executive Producer, Teleplay | 27 |
Michael Small | Crew | Sound | Music | 27 |
 Neill Fearnley | Crew | Production | Producer | 27 |
Randi Richmond | Crew | Production | Producer | 27 |
 Rex Stout | Crew | Writing | Novel | 27 |
 Timothy Hutton | Crew | Production | Executive Producer, Director | 27 |
Sharon Doyle | Crew | Production | Consulting Producer | 27 |
Susan Murdoch | Crew | Production | Producer | 27 |
Jennifer Phillips | Crew | Production | Associate Producer | 27 |
lee goldberg | Crew | Writing | Teleplay | 1 |
 Alex Poch-Goldin | Cast | Actor | Edwin Laidlaw | 1 |
 Aron Tager | Cast | Actor | Commissioner Fromm | 1 |
 Bill Smitrovich | Cast | Actor | Inspector Cramer | 27 |
 Boyd Banks | Cast | Actor | Austin 'Dinky' Byne | 1 |
 Carrie Fisher | Cast | Actress | Ellen Tenzer | 2 |
Christine Brubaker | Cast | Rose Tuttle | 1 | |
 Colin Fox | Cast | Actor | Fritz Brenner | 18 |
 Conrad Dunn | Cast | Actor | Saul Panzer | 5 |
 Cynthia Watros | Cast | Actress | Phoebe Gunther | 2 |
David Schurmann | Cast | Robert Robilotti | 1 | |
 Debra Monk | Cast | Actress | Rachel Bruner | 1 |
 Diana Barrington | Cast | Actress | Daphne O'Neil | 1 |
 Francie Swift | Cast | Actress | Sarah Dacos | 1 |
 Fulvio Cecere | Cast | Actor | Fred Durkin | 5 |
 George Plimpton | Cast | Actor | Cook | 1 |
 Gretchen Egolf | Cast | Actress | Marian Hinckley | 1 |
 Hrant Alianak | Cast | Actor | Vincent Yarmack | 1 |
James Tolkan | Cast | Actor | Leo Bingham | 2 |
 Janine Theriault | Cast | Actress | Ethel Varr | 1 |
 Joe Flaherty | Cast | Actor | Dr. Vollmer | 2 |
 Julian Richings | Cast | Actor | Poet | 2 |
 Kari Matchett | Cast | Actress | Celia Grantham | 1 |
 Kathryn Zenna | Cast | Actress | Helen Yarmis | 1 |
 Ken Kramer | Cast | Actor | Dr. Vollmer | 1 |
 Marian Seldes | Cast | Actress | Louise Grantham Robilotti | 1 |
 Marty Moreau | Cast | Actor | The Driver | 1 |
 Maury Chaykin | Cast | Actor | Nero Wolfe | 27 |
 Michael Rhoades | Cast | Actor | Beverly Kent | 1 |
 Nicky Guadagni | Cast | Actress | Elaine Usher | 1 |
 Peter Mensah | Cast | Actor | Receptionist | 1 |
 Robert Bockstael | Cast | Actor | Paul Schuster | 1 |
 Sarain Boylan | Cast | Actress | Nora Jaret | 1 |
 Saul Rubinek | Cast | Actor | Lon Cohen | 3 |
 Seymour Cassel | Cast | Actor | James Arthur Ferris | 1 |
 Steve Cumyn | Cast | Actor | Cecil Grantham | 1 |
Timothy Hutton | Cast | Actor | Archie Goodwin | 27 |
 Trent McMullen | Cast | Actor | Orrie Cather | 4 |
David Schurmann | Cast | Adrian Evers | 1 | |
 R.D. Reid | Cast | Actor | Sergeant Purley Stebbins | 4 |
| Person | Type | Job | Role(s) | Episodes |
