Walter Brennan costarred with what actor known for his boyish good looks?
The Young Country: The Young Country is a 1970 American western made-for-TV film, starring Walter Brennan, Joan Hackett, Wally Cox, Pete Duel and Roger Davis. Roger Davis (television actor):  The sandy-haired Davis is best known for his boyish good looks, and lilting, Henry Fonda-like voice.
Roger Davis