From Wikipedia, the free encyclopedia. Scott MacDonald (born 1959) is an American actor. He is best known for his recurring roles as Captain Manning on short-lived series Threshold, Burley from HBO series Carnivàle, and as Commander Dolim from Star Trek: Enterprise, and as the title character from 1996 horror film Jack Frost.
He grew up in Libby, Montana and graduated from Washington State University and received an MFA in acting/theatre from the California Institute of the Arts. He has also done stage acting, including on Broadway.