Clint Howard's parents, Rance Howard and Jean Speegle Howard, had film and television actor and made sure that their children have been used in numerous film and television productions. So Howard appeared as a child in the Andy Griffith Show on guest starred in Bonanza, Our sweet home, my friend Ben and is in the episode poker games in the series Star Trek to be seen as Balok. As a teenager, he was seen for example in The Streets of San Francisco, The people of the Virginian and, together with his brother Ron Howard, in the series Happy Days. Later Clint Howard played guest roles in productions where his brother directed.
He is one of the busiest supporting actors in Hollywood and was mainly in TV serials and B- movies, but also in movies like Cocoon, Tango & Cash, Backdraft - men who pass through the fire, Apollo 13, The Grinch and all the Austin Powers movies to see. Because of its exceptional, not just the beauty ideal corresponding appearance and its low height of 1.66 m, it embodies rather unusual, " weird" characters. For his roles he received in 1998 the MTV Movie Award for his life's work. Howard is one of the few actors who are both in the original Star Trek series, as well as the successor series Star Trek: Enterprise participated: Deep Space Nine and Star Trek.
Howard was married twice. After his first marriage, which held from 1986 to 1987, he is married to Melanie Howard since 1995.