Whitaker went on to star in the 1973 Sid and Marty Krofft Saturday morning children's series "Sigmund and the Sea Monsters" alongside Billy Barty and Scott Kolden, as well as appeared in feature films, including Disney's "Snowball Express" (1972), "The Biscuit Eater" (1972), "Napoleon and Samantha" (1972), and "The Magic Pony" (1977).