"Marcus Welby, M.D."

Season 6, Episode 15: Dark Fury: Part 1
Original Air Date—7 January 1975

Part 1 of two. An artificial-kidney recipient (Lindsay Wagner) is reluctant to resume an affair with an insistent former beau (Dack Rambo). Kiley: James Brolin. Janet: Diana Hyland. Welby: Robert Young.

Robert Young ... Dr. Marcus Welby
James Brolin ... Dr. Steven Kiley
Elena Verdugo ... Consuelo Lopez
William Campbell ... Justin Hubbard
Bob Delegall ... Dr. Tom Haddon
Sharon Gless ... Kathleen Faverty
Diana Hyland ... Janet Trent
Stack Pierce ... Albert Johnson
Dack Rambo
Tom Selleck ... Sgt. Ed Brock
Lenore Stevens ... Waitress
Lindsay Wagner ... Susan Davis

Writer:
David Victor (creator)