Dr. Jerry Noland (46 episodes, 1972-1974)
Student Nurse Ellen Turner / Nurse Ellen Turner (33 episodes, 1972-1974)
Nurse Annie Carlisle (26 episodes, 1972-1973)
Nurse Mildred MacInerny (26 episodes, 1972-1973)
Dr. Vincent Campanelli (26 episodes, 1972-1973)
Dr. Paul Mercy (20 episodes, 1973-1974)
Martha Mercy (13 episodes, 1973-1974)
Miss Tillis (13 episodes, 1973-1974)
Nurse Windy Winchester (13 episodes, 1973-1974)
Dr. Lloyd Axton (13 episodes, 1973-1974)
Dr. Charles Cleveland Claver (13 episodes, 1973-1974)
Haskell (9 episodes, 1973)
Edwina Moffitt / Mrs. Lindsey (8 episodes, 1972-1974)
Nurse Amanda Kelly (7 episodes, 1974)
(4 episodes, 1973)
Harold Lefkowitz (3 episodes, 1972-1973)
Duncan / Phineas Duncan (3 episodes, 1972-1974)
Nurse Ferguson (3 episodes, 1972-1973)
Miss Llewellen / Llewellen (3 episodes, 1972-1973)
Williams (3 episodes, 1973)
Judson / Sen. Bradley (2 episodes, 1972-1974)
Al Breen / Dr. Anderson (2 episodes, 1972-1973)
Sen. Farnstock / Senator Farmstick (2 episodes, 1972)
Groom / Nails (2 episodes, 1972-1973)
Expectant Father / Salesman (2 episodes, 1972-1973)
Gloria / Lady Technician (2 episodes, 1972)
Orderly / Technician (2 episodes, 1973-1974)
Patient (2 episodes, 1973-1974)
Carl Blackstrong / George (2 episodes, 1972-1974)
Norman / Norman Frye (2 episodes, 1972-1973)
Edgar Cross / Malaporte (2 episodes, 1972-1973)
Landis / Ulmer (2 episodes, 1972-1973)
Dr. Allen / Second Doctor (2 episodes, 1972)
Ambulance Attendant Partner / Ambulance Driver (2 episodes, 1972)
Dr. Whitehead / Sturges (2 episodes, 1973-1974)
Margolies / Sam (2 episodes, 1973-1974)
Dr. Richie / Mr. Cooper (2 episodes, 1973-1974)
Jonas / Larkin (2 episodes, 1973-1974)
Jerome (2 episodes, 1973)
(2 episodes, 1973)
Mrs. Wilson / Old Lady (2 episodes, 1973)
Russo (1 episode, 1972)
Charlie Brinks (1 episode, 1972)
Poppa Amherst (1 episode, 1972)
Billy Joe (1 episode, 1974)
Fulton Briggs (1 episode, 1972)
Dr. Crown (1 episode, 1972)
Mr. Rockwell (1 episode, 1974)
Mr. Hayden (1 episode, 1972)
Mrs. Moscowitz (1 episode, 1972)
Eddie (1 episode, 1972)
Mudcat (1 episode, 1972)
David Amherst (1 episode, 1972)
Dr. Thornton (1 episode, 1974)
Dr. Malloy (1 episode, 1972)
Newsman (1 episode, 1974)
Nina (1 episode, 1972)
Dr. Pangloss (1 episode, 1972)
Dr. Forrester (1 episode, 1972)
Dr. Bradley (1 episode, 1972)
Lady Patient (1 episode, 1972)
Dr. Spitzer (1 episode, 1973)
Mrs. Lloyd (1 episode, 1974)
Charlie (1 episode, 1972)
Mr. Latimore (1 episode, 1972)
Dr. Robertson (1 episode, 1972)
Dr. Joiner (1 episode, 1972)
Colonel (1 episode, 1972)
Mrs. Warden (1 episode, 1973)
Orderly (1 episode, 1972)
Sen. Almont (1 episode, 1972)
Delivery Boy (1 episode, 1972)
Dr. Blake (1 episode, 1973)
Photographer (1 episode, 1974)
Flo (1 episode, 1972)
Man (1 episode, 1972)
Nurse #1 (1 episode, 1973)
Dr. Clark (1 episode, 1973)
Student Nurse (1 episode, 1973)
James Jerome (1 episode, 1973)
Harry (1 episode, 1972)
Claudia (1 episode, 1972)
Dr. Patterson (1 episode, 1972)
Tip Henry (1 episode, 1972)
Miss Brandon (1 episode, 1972)
Mr. Andrews (1 episode, 1972)
General (1 episode, 1972)
Dr. Larkin (1 episode, 1972)
Miss Prewitt (1 episode, 1972)
Driscoll (1 episode, 1972)
Piano Mover (1 episode, 1972)
Donovan (1 episode, 1972)
Nickerson (1 episode, 1972)
Dr. Baker (1 episode, 1972)
Emma Bradshaw (1 episode, 1972)
Reporter (1 episode, 1972)
Susan (1 episode, 1972)
Nurse (1 episode, 1972)
Admissions Clerk (1 episode, 1972)
Guard (1 episode, 1972)
Scobo (1 episode, 1972)
Roberta (1 episode, 1972)
Mrs. Right (1 episode, 1972)
First Doctor (1 episode, 1972)
Mr. Stewart (1 episode, 1972)
(1 episode, 1973)
Mrs. Miller (1 episode, 1973)
Timmy (1 episode, 1973)
Gibson (1 episode, 1973)
Jason (1 episode, 1973)
Brundage (1 episode, 1973)
Mr. Peabody (1 episode, 1973)
Dr. Banning (1 episode, 1973)
Donna (1 episode, 1973)
Luke Shaw - Old Man (1 episode, 1973)
Terry (1 episode, 1973)
Scott (1 episode, 1973)
Livingston (1 episode, 1973)
Judge (1 episode, 1973)
Mrs. Noland (1 episode, 1973)
Harry Butler (1 episode, 1973)
Tolkin (1 episode, 1973)
Repairman (1 episode, 1973)
Florist (1 episode, 1973)
Lowell (1 episode, 1973)
Hanson (1 episode, 1973)
Porter (1 episode, 1973)
Jensen (1 episode, 1973)
Comstock (1 episode, 1973)
Dr. Lippincott (1 episode, 1973)
Li Soo (1 episode, 1973)
Mrs. Bingham (1 episode, 1973)
Corbozo (1 episode, 1973)
Dr. Benson (1 episode, 1973)
Old Woman (1 episode, 1973)
Intern Dave (1 episode, 1973)
Senator (1 episode, 1973)
Gorilla (1 episode, 1973)
Young Man (1 episode, 1973)
Towbin (1 episode, 1973)
Chung Ho (1 episode, 1973)
Dr. Strick (1 episode, 1973)
Mrs. Pollack (1 episode, 1973)
Shopkeeper (1 episode, 1973)
Donald (1 episode, 1973)
Mrs. Cooper (1 episode, 1973)
Dr. Anderson (1 episode, 1973)
Pizza Girl (1 episode, 1973)
Crenshaw (1 episode, 1973)
Mrs. Downy (1 episode, 1973)
Mrs. Clark (1 episode, 1973)
Lucy (1 episode, 1973)
Intern (1 episode, 1973)
Maintenance Man (1 episode, 1973)
Bernice Butler (1 episode, 1973)
Cutler (1 episode, 1973)
Dr. McFarland (1 episode, 1973)
Orderly (1 episode, 1973)
Chauffeur (1 episode, 1973)
Patient (1 episode, 1973)
Jenkins (1 episode, 1973)
Bride (1 episode, 1973)
Cab Driver (1 episode, 1973)
Little Girl (1 episode, 1974)
Theodore Turner (1 episode, 1974)
Harriet (1 episode, 1974)
Bessemer (1 episode, 1974)
Marvin (1 episode, 1974)
Gogie Wilson (1 episode, 1974)
Dr. Leslie Kirk (1 episode, 1974)
Anna (1 episode, 1974)
Japanese Man (1 episode, 1974)
Dudley (1 episode, 1974)
(1 episode, 1974)
Marge (1 episode, 1974)