The son of actors, juvenile performer "Clint Howard" began showing up on screen in the mid-1960s, usually in the TV series and feature films co-starring his older brother "Ron Howard". Clint's best-known TV guest appearances include the part of Balok in the 1966 "Star Trek" episode "The Corbomite Maneuver," and his vivid portrayal of a youthful prognosticator in the opening installment of "Night Gallery"'s 1971-72 season. He was starred in the 1967 "Ivan Tors" theatrical feature "Gentle Giant" and in that property's TV-series spin-off "Gentle Ben".
Upon attaining adulthood, Howard was mostly consigned to character parts; he has also been featured in the films directed by his brother Ron Howard, from "Eat My Dust" (1978) to "Apollo 13" (1995).