If you were young in the 1970s, Sunday night meant either church or The Wonderful World of Disney, countless movies set in the wilderness chopped up into 40-minute segments. It was dreadful, but at least you got to see a cadre of teenagers personally selected by Walt or Roy Disney to represent "youthful masculinity": Tommy Kirk, Kurt Russell, Tim Considine, James MacArthur.
Born in 1957 in Kansas City, Jeff had virtually no acting experience when he was chosen from among 1,000 hopefuls in open auditions to play Huckleberry Finn in Tom Sawyer (1973), with Johnny Whitaker as Tom.
Jeff moved on to his first "adult" role as a college student who participates in a deadly hazing in The Hazing (1977), also released as The Case of the Campus Corpse to make it seem like a comedy.
Displaying his butt again.
And he has a painfully intense, gay-subtext romance with his costar, fellow college student Charles Martin Smith.
Charles Martin Smith's butt in Never Cry Wolf (1983), about a government researcher living with wolves.