Donal Gibson est né le 13 février 1958 dans l'état de New York, États-Unis. Il est acteur et scénariste. Il est connu pour Maverick (1994), Braveheart (1995) et Complots (1997). Il est marié avec SJ Gibson.
Fame changed him He started believing in his own publicity. The Mel I knew disappeared.... Hollywood ate him up and spat him out. To me, the fame, the money, it all went to his head to and created a monster. I hate what he has become. [Reference to Mel Gibson, his older brother.]