David Victor Creator, Executive Producer Robert Young Dr. Marcus Welby Actor James Brolin Dr. Steven Kiley Actor Elena Verdugo Consuelo Lopez Actor Anne Baxter Myra Sherwood Actor Sharon Gless Kathleen Faverty Actor Anne Schedeen Sandy Porter Actor Gavin Brendan Phil Porter Actor Pamela Hensley Janet Blake Actor Jess Walton Naomi Sobel Guest Star Harvey Fisher Dan Sobel Guest Star Alan Oppenheimer Art. Sobel Guest Star Shelley Morrison Ruby Sobel Guest Star Ann Summers Dr. Shiela O'Connor Guest Star Jerome Ross Writer Russ Mayberry Director