At 8, talked his mother into taking him to an open casting call for the Sissy Spacek film Raggedy Man (1981), and won the role of her son.
His audition for E.T.: The Extra-Terrestrial left Steven Spielberg in tears.
Was originally set to play the young King Arthur in the 1998 miniseries Merlin, but was denied entry into England because his working papers were not in order; he was replaced in the cast by Paul Curran.
Was in a Texas band called the Blue Heelers in the mid-to-late 1990s and the California-based band Farspeaker in the 2010s.
Inducted into the Texas Film Hall of Fame in 2013.
1983, BAFTA Film Awards — Outstanding Newcomer to Leading Film Roles: Nominee
1983, Golden Globe — New Star of the Year - Actor: Nominee
1996, Golden Globe — Best Performance by an Actor in a Supporting Role in a Series, Miniseries or Motion Picture Made for Television: Nominee
Henry Jackson Thomas — Father
Kelley Hill — Ex-wife
Marie Zielcke — Ex-wife
Hazel Thomas — Daughter
Carolyn L. Thomas — Mother
Attended Blinn College, Brenham, Texas, United States