Générique complet
The Return of Marcus Welby, M.D.
Robert Young
Dr. Marcus Welby
Darren McGavin
Dr. David Jennings
Morgan Stevens
Dr. Matt Jennings
Elena Verdugo
Consuelo Lopez
Dennis Haysbert
Dr. Beaumont
Jessica Walter
Astrid Carlisle
Joanna Kerns
Pamela Saletta
Bridgette Andersen
Alison Lattimer
Cristina Raines
Nicki St. Hilaire
Fran Ryan
Millie Clark