He has had great commercial success in roles such as executive Bobby Trippe in "Deliverance" (1972), lawyer Delbert Reese in "Nashville" (1975), investigator Martin Dardis in "All the President's Men" (1976), undercover federal agent Bob Sweet in "Silver Streak" (1976), the priest, Father Edwards in "" (1977), Lex Luthor's bumbling henchman Otis in "Superman" (1978) and "Superman II" (1980), as a millionaire's right-hand man in "The Toy" (1982), Pavel Borisov in "The Fourth Protocol" (1987), TV presenter Ernest Weller in "Repossessed" (1990), Rudy Ruettiger's father in "Rudy" (1993), attorney McNair in "Just Cause" (1995), Dexter Wilkins in "Life" (1999), the simple sheriff in "Where the Red Fern Grows" (2003), the corrupt Senator Charles F. Meachum in "Shooter" (2007), Congressman Doc Long in "Charlie Wilson's War" (2007) and in animated films as the voice of Lots-O'-Huggin' Bear in "Toy Story 3" (2010) and Tortoise John in "Rango" (2011).