Kurt Russell's first acting gig was in the 1963 Elvis Presley vehicle "It Happened at the World's Fair," wherein he played an unnamed young boy hired to kick Elvis in the shin. Elvis, you see, wanted to romance a nurse at the Fair, and wanted to approach her with an injury as a way of breaking the ice. Russell was 12.
This early gig was parlayed into a successful career as a teen actor, and throughout the 1960s and 1970s Russell appeared in multiple high-concept comedies for Disney. He was in three of the Medfield College movies — "Now You See Him, Now You Don't," "The Computer Wore Tennis Shoes," and "The Strongest Man in the World" — as well as "Superdad," "Charley and the Angel," and "The Barefoot Executive." It wasn't until Robert Zemeckis' 1980 comedy "Used Cars" that Russell began