 He contracted polio at an early age, leaving one of his legs shorter than the other.Lancaster, a look-alike for his famous father at the time, guest-starred in an episode of the television series "The Big Valley" in 1967.In 1973, Lancaster played the role of "King", the boyfriend of a murdered college coed in "The Midnight Man", a mystery film starring and co-directed by his father, released in 1974.