David Leonard Landau (June 22, 1947 – December 4, 2020) was an American actor and writer. He was known for Laverne & Shirley (1976), Used Cars (1980), Who Framed Roger Rabbit (1988). David Leonard Landau (June 22, 1947 – December 4, 2020) was an American actor and writer. He was known for Laverne & Shirley (1976), Used Cars (1980), Who Framed Roger Rabbit (1988).