Kooky actor who was directed by his brother, Ron Howard, in Apollo 13. He also played roles in Gung Ho, Disturbed, The Rocketeer, How the Grinch Stole Christmas and Frost/Nixon.
He went to Robert Louis Stevenson Elementary School in Burbank, California.
He had his first prominent role on The Andy Griffith Show, appearing in five episodes from 1962 to 1964.
He was married to his first wife from 1986 to 1987 and later got married to Melanie Howard on October 29, 1995.
He acted opposite Portia de Rossi in the FOX series Arrested Development, playing the character Johnny Bark.