- Gregory Sierra
- Â Dr. Antonio 'Tony' Menzies 5 episodes, 1978
- Rosanna DeSoto
- Â Nurse Rosa Santiago 5 episodes, 1978
- Allan Miller
- Â Dr. Glick 5 episodes, 1978
- Barrie Youngfellow
- Â Dr. Gloria Manners 5 episodes, 1978
- Ralph Manza
- Â Ambulance Aide Stanke 5 episodes, 1978
- William Cort
- Â Dr. Jerry Mackler / ... 5 episodes, 1978
- Susan Peretz
- Â Ambulance Driver Foshko 5 episodes, 1978
- Ray Stewart
- Â Nurse Newton 4 episodes, 1977-1978
- Stefan Gierasch
- Â J. Powell Karbo 4 episodes, 1978
- Bob Dishy
- Â Dr. Friedman 2 episodes, 1977-1978
- Julienne Wells
- Â Rhoda 2 episodes, 1978
- F. Murray Abraham
- Â Dr. Menzies 1 episode, 1977
- Marj Dusay
- Â Mercy 1 episode, 1977
- Whitman Mayo
- Â Quincy 1 episode, 1977
- Jane Marla Robbins
- Â Dr. Sorrentino 1 episode, 1977
- Irwin C. Watson
- Â Karbo 1 episode, 1977
- Sheryl Lee Ralph
- Â Nurse 1 episode, 1978
- Mills Watson
- Â Skinner 1 episode, 1978
- Jay Robinson
- Â Pratt 1 episode, 1978
- Jack Dodson
- Â Coody 1 episode, 1978
- Michael Alldredge
- Â Fire Captain 1 episode, 1978
- Queenie Smith
- Â Mrs. Hollis 1 episode, 1978
- John Dullaghan
- Â Ewell 1 episode, 1978
- J.J. Barry
- Â Gissler 1 episode, 1978
- Emory Bass
- Â Oosterhazen 1 episode, 1978
- Sam Ingraffia
- Â Dr. Spinelli 1 episode, 1978
- Nancy Lee Noble
- Â Patsy Jo 1 episode, 1978
- Eddie Singleton
- Â James 1 episode, 1978
- John Davis
- Â Smitty 1 episode, 1978
- Margaret Avery
- Â Nurse Sawyer unknown episodes
- Larry Naschel
- Â Patient (uncredited) 1 episode, 1977
