Marcus Welby, M.D.

Kathleen Faverty / Lynn Baker

Janet Blake / Janet Blake Kiley

Dr. Marcus Welby

Dr. Steven Kiley

Consuelo Lopez

Nurse Anne MacAndrews / Carolyn Kingsley

Ellie Hill / Loretta McKenna

Sandy Porter / Mrs. Elizabeth Carstairs

Dr. Steinberg / Jack Kramer

Tom Dalton / Ed Putnam

George Appleton / John Kalscheur

Anesthesiologist (uncredited) / Marco

Matt Callan / Mr. Peterson

Susan / Mary Ann Graham

Andrea Rolf / Shelia

Dr. Bonner / Dr. Seth Rollins

Jack Walthers / Alfred Mercer

Orderly / Hospital Orderly

Nurse Irwin / Nurse

Charlotte / Ruthie

Myra Sherwood

Ruth Ann Adams / Judy Graham

Nancy Mason / Margaret Loring

Mrs. Baker