Credited as the voice of Leslie, the chauffeur, in the film "Harvey"
Discovered by Walt Disney while acting in the B movie, "Them!"
Had a small role in the western, "Springfield Rifle," starring Gary Cooper
Made feature film debut in "Untamed Frontier"
Made stage debut in the national company of "Mister Roberts"
Made TV-movie debut in "Climb an Angry Mountain"
Played the father in the Disney classic, "Old Yeller"
Played the title role in a series of Disney programs, "The Adventures of Davy Crockett" (ABC)
Starred in the TV version of "Mr. Smith Goes to Washington" (ABC)
Starred as John 'Doc' Grayson in film, "Westward Ho the Wagons!"
Final film or TV appearance was the unaired pilot of "The Fess Parker Show"
Played the title role in the NBC series, "Daniel Boone"
Reprised film role of Doc Grayson' in the TV version, aired as part of "Walt Disney" on ABC
Served in the U.S. Marine Corps at the end of World War II
Popular songs include "The Ballad Of Davy Crockett".