... Dr. James Kildare (191 episodes, 1961-1966)
... Dr. Leonard Gillespie / ... (191 episodes, 1961-1966)
... Harry Kleber / Walter Burton
... Nurse Bonnie Mynes / ... (8 episodes, 1963-1965)
... Dr. Milton Orliff / ... (7 episodes, 1962-1966)
... Steve Perrona (7 episodes, 1965)
... Dr. Carl Noyes
/
Toby Cunningham, M.D.
... Justin Post (6 episodes, 1966)
... Dr. Rudy Devereux / Rudy Devereux
... Arnold Vitnack / ... (5 episodes, 1965)
... Chris Becker / ... (5 episodes, 1965)
... Jaime Angel (4 episodes, 1966)
... Dr. Phillip Downey / ... (4 episodes, 1961-1965)
... Joe Quinlen (4 episodes, 1965)
... Rhoda Kirsh (4 episodes, 1965)
... Dr. Maxwell Becker (4 episodes, 1965)
... Dr. Lou Rush (4 episodes, 1966)
... Bonda Jo Weaver (4 episodes, 1966)
... Cathy Benjamin / ... (3 episodes, 1961-1964)
... Carol Tredman (3 episodes, 1965)
... Henry Harris / ... (3 episodes, 1962-1965)
... Sgt Hensley / ... (3 episodes, 1963-1966)
... Sister Teresa (3 episodes, 1964)
... Francis X Healy (3 episodes, 1965)
... Rev Jack Elder (3 episodes, 1966)
... Pat Holmes (2 episodes, 1964)
... Aunt Frances / ... (2 episodes, 1962-1963)
... David Burnside / ... (2 episodes, 1962-1965)
... Adam Barstow / ... (2 episodes, 1962-1963)
... John Burroughs / Dr. Nicholas Keefe
... Jesse Hartwood MD / ... (2 episodes, 1963-1965)
... Harvey Gruboldt MD / ... (2 episodes, 1963-1965)
... B.R. Liebman, M.D. / ... (2 episodes, 1961-1962)
... Judge Haines / ... (2 episodes, 1961-1963)
... Nathan Agurski / ... (2 episodes, 1961-1962)
... Charles Bishop / Dr. Paul Probeck
... Dr. Frank Williams / John Fossman
... Dr. Mahmel Homatka (2 episodes, 1962-1963)
... Patsy Carey / ... (2 episodes, 1964)
... Mother Caritas (2 episodes, 1965)
... Emily Field (2 episodes, 1965)
... Frederick Foray (2 episodes, 1965)
... Mark (2 episodes, 1965)
... George Parker (2 episodes, 1966)
... Alice (2 episodes, 1966)
... Richard Ross (2 episodes, 1966)
... Nurse Claire Hanson (2 episodes, 1966)
... Dr. William Ellis
... Cathy Brandon
/
Janice Graham
... Luisa Brabante
... Ida Forman
... Amy Post
/
Emma Swader
... Neal Tomlinson
... Barbara Miller
... Jerry Hastings
... Dr. Paul Marino
... Mitchell
/
Oscar Clayton
... Joseph Patrick Burns
/
Mr. Krolick
... Charles Devereaux
... Dr. Roy Shigera
... Andrew Webb
/
Tony Warren
... Dr. Suzanne Shary
... Claire Sutton
/
Janet Parker
... Madge Bannion
... Julie Michaels
... Lily Prentice
/
Marie Quincy
... Harry Markham
... Dr. Harry Nelson
... Dr. Carver Willoughby
... Hildy Pochek
/
Lisa Dowling RN
... Yvonne Barlow
... Libby Clayton
... Sharon Calloway
... Damon West
... Edward Swader
/
Jason
... Francesca Paolini
... Dr. Kenneth Kline
... Charles Ladovan
... Dr. Paul Garrett
... Dr. Robert Devlin
... Ambulance Driver
... Pilar
/
Rani Stewart
... Dr. Wiley Lansing
... Terry Cole
... Dr. Dunning
/
Grace Temple
... Annie
/
Fanny
/
Nurse Helen Margolis
... Mrs. Parker
... Sherwin Cullen
/
Vernon Hackett
... McAllister
... Edmund Carson
... Charles Shannon / Vincent Doyle
... Ernie Mann
... Helen Scott
... Chris McKenna
... Charley Johnson
... Mrs. Ruiz / Mrs. Martinez
... Jerry Prentice
... Eloise Ruiz
... Nancy Hiller
... Virginia Herson
... Dr. Matt Gunderson
... Gertrude Carey
... Jeffey
... Ginny Nelson
... Signore Fortuno / Jesus Munoz / Grocer
... Dr. Jerry Wagner
... Ellen Hall
... Dr. Kenneth Hasker / Fred Rainey
... Dr. Victor Jonah
... Nurse Adele Fromm
... Wayne Wandemeir
... Joe Fitch
... Rulon Murphy / Ben Ballard
... Dr. Charles Hodiak
... Brawler / Cab Driver
... Dr. Jessie Martel / Carol Logan
... Evelyn LeFevre
... Dr. Tom Paulson
... Dr. Arthur Jansen / Dr. Keith Bresson
... Amelia Blair
... Paul Williams
... Lt. Dan Hargrave / Dr. Haldore Mattern
... Ralph Walker
... Asst. District Attorney
... Mrs. Harper
... Morgan Bannion
... Elevator Passenger
... Cab Driver / Benton
... Night Nurse
... Mental Patient / Hot Dog Salesman / Patient
... Dr. Foster Bailey
... Dr. George Hazard
... Patient / Surgical Nurse #1
... Joe Belasco
... Dr. Norman Phelps
... Dr. Chandra Ramid
... Lincoln Ball
... Dr. Ben Mollenhour / Dr. John Grant
... Judge
... Angie
... Natsu Shigera
... Yount
... Ambulance Attendant
... Dr. Oscar Hoag
... Billy Hoffman
... Tom Scola / Inspector
... Dr. Roger Helvick / John Bardeman / Dr. Louis Miller
... Freddie Binns
... Willie Guy / Ted Galahad
... Paul Montgomery
... Dr. Paul Graham
... Bob Quincy
... Dr. Benjamin Lenlow / Photographer
... Alcoholic
... Aristos
... Pallbearer / Interne