His best-known film roles include Private Joker in Stanley Kubrick 's `` Full Metal Jacket '' , the title character in Alan Parker 's `` Birdy '' , high school wrestler Louden Swain in `` Vision Quest '' , and oversexed Sullivan Groff on `` Weeds '' .
His movie roles include Private Joker in Stanley Kubrick 's `` Full Metal Jacket '' , the title character in Alan Parker 's `` Birdy '' , high school wrestler Louden Swain in `` Vision Quest '' , football star turned spy Alec McCall in `` Funcky Monkey '' and the oversexed Sullivan Groff in `` Weeds '' .