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

Loretta McKenna / Ellie Hill

Sandy Porter / Mrs. Elizabeth Carstairs

Marty Siegel / Mike Rossowitz

Tom Dalton / Father Kling

John Kalscheur / Dave Tillerman

Anesthesiologist / Jury Foreman (uncredited)

Matt Callan / Carter

Susan / Mary Ann Graham

Shelia / Cara Anderson

Dr. Seth Rollins / Dr. Chet Larkin

Jack Walthers / Alfred Mercer

Orderly / Intern

Nurse Cohen / Nurse Irwin

Louise Janis / Ruthie

Myra Sherwood

Ruth Ann Adams / Judy Graham

Margaret Loring / Nancy Mason

Mrs. Baker