He is perhaps best remembered for his regular role as Linc Case in the final season (1963-64) of Route 66, where his portrayal of a returned soldier from Vietnam constituted one of the earliest acknowledgements of that war on dramatic television. He worked with future "Metamorphosis" director Ralph Senensky in an episode of the series. Previously, he had been a regular in the critically-acclaimed but short-lived dramatic series It's A Man's World. In 1967, Corbett starred in Irwin Allen's unsold pilot City Beneath the Sea (also featuring Lawrence Montaigne), which was originally proposed by Allen to NBC as a potential replacement for Star Trek, had it been cancelled. The same year, Corbett guest starred in "The Weird World", an episode of Allen's series Land of the Giants, which featured D