My second appearance on "Marcus Welby, M.D." was titled, "The Tall Tree," and aired November 6, 1973. In this scene, a therapist, played by Tony Musante, makes a breakthrough in reaching a troubled teen. The other girl is Vanetta Rogers. | Pamelyn Ferdin

A clip from the "Portrait of Debbie" episode of "Marcus Welby, M.D." from September 21, 1971. I played Felicia, a girl adopted by a couple, played by George Grizzard and Pa | Pamelyn Ferdin

A highly emotional scene with the wonderful George Grizzard on "Marcus Welby, M.D.," 1971. Pupsie was the name of a dog my character had to leave behind at the orphanage. At 12 years old, my first performance submitted to the Television Academy for an Emmy nomination. | Pamelyn Ferdin

ALSO ON THE TUBE TODAY: On this day in 1969 “Marcus Welby, MD” debuts. | BoomUnderground.com