Dr. James Whitman (7 episodes, 1970-1971)
Dr. Bernard Altman (5 episodes, 1970-1971)
Casey T. Poe (2 episodes, 1970-1971)
Randell File / Teddy, the Student Addict (2 episodes, 1970-1971)
Blaine / Pusher (2 episodes, 1970-1971)
Kendell (1 episode, 1970)
Sheriff Glenn (1 episode, 1970)
Fritz (1 episode, 1970)
Persephone (1 episode, 1970)
Mrs. Pilgrim (1 episode, 1970)
Dr. Lewis (1 episode, 1970)
Ellen (1 episode, 1970)
Weasel (1 episode, 1970)
Maxwell (1 episode, 1970)
Dariny (1 episode, 1970)
Michael (1 episode, 1970)
Themselves (1 episode, 1970)
Beatrice, a Therapy Group Member (1 episode, 1970)
Jane, a Therapy Group Member (1 episode, 1970)
Cathy, a Therapy Group Member (1 episode, 1970)
Don, a Therapy Group Member (1 episode, 1970)
Mary, a Therapy Group Member (1 episode, 1970)
Art, a Therapy Group Member (1 episode, 1970)
Steve, a Therapy Group Member (1 episode, 1970)
(1 episode, 1971)
Homer Cling (1 episode, 1971)
Frank Halloran (1 episode, 1971)
Larrabee - Medicine Man (1 episode, 1971)
Martin's father (1 episode, 1971)
Stan Brewster (1 episode, 1971)
Martin's mother (1 episode, 1971)
Diane Lonecloud (1 episode, 1971)
Eric (1 episode, 1971)
Jo Jo Poole (1 episode, 1971)
Larry (1 episode, 1971)
Martin Dalton (1 episode, 1971)
Mary Halloran (1 episode, 1971)
File's Mother (1 episode, 1971)
Randell's buddy (1 episode, 1971)
Oxley Kitt (1 episode, 1971)
Lester (1 episode, 1971)
Counterman (1 episode, 1971)
(uncredited) (1 episode, 1970)
Self (uncredited) (1 episode, 1970)