Marcus Welby, M.D.

David Victor

Robert Young

Dr. Marcus Welby

James Brolin

Dr. Steven Kiley

Elena Verdugo

Consuelo Lopez

Pamela Hensley

Janet Blake, Crystal, Janet Blake Kiley

Marcia Ralston

Nurse Donnelly, Nurse

Sharon Gless

Kathleen Faverty, Dr. Susan Carr, Lynn Baker

Connie Izay

Anesthesiologist, Nurse, 1st Nurse, 2nd Nurse, ER Nurse, Nurse Antonia, Nurse Connie, Nurse Fran, Scrub Nurse

Anne Schedeen

Sandy Porter, Mariette, Mrs. Elizabeth Carstairs

Norman Stuart

Dr. Kingman, Surgeon, Dr. Abner Lewis, Dr. Bernstein, Dr. Klein, Dr. Levinson, Dr. Sandberg, Dr. Sedley

Margaret Madigan

Nurse, Nurse Kelly, Sheila Kelly

Brett Hadley

Anaesthesiologist, Assistant Surgeon, Asst. Surgeon, Dr. Stauffer, Dr. Todd, Dr. Winston, EEG Techician, Radiologist

Gavin Brendan

Phil Porter

Lois January

Betty, Kate Rymer, Miss Billings, Miss Evans, Mrs. Sloan, Pauline, Woman Announcer

Cliff Potts

Dr. Paul Moran, Dr. Phil Walton, Paul

Aline Towne

Nurse, Duty Nurse, Nurse Blair, Nurse Cohen, Nurse Irwin

Jerry Fogel

David Robins, Dr. Steinberg, Jack Kramer, John Avery, Marty Siegel, Mike Rossowitz

Victor Izay

Dr. Bonner, Dr. Burroughs, Dr. Chet Larkin, Dr. Paley, Dr. Pete Gardner, Dr. Seth Rollins

Barbara Sigel

Nurse, Aide, Nurse's Aide

Michael Richardson

Dr. Fred Charles, Fred Dickerson, Hank Hickock, Jim Arnold, Kenny Rhodes

Stacy Keach Sr.

Goodman, Harry Ferguson, Morton, Mr. Burns, Mr. Clinton

David Victor