Born in Corvallis, Oregon, Hoffman portrayed Miss Mason in three episodes of the drama series Little House on the Prairie (1980-1981). She was featured in the horror film Fear No Evil (1981) and had guest roles in The Greatest American Hero (1982, with Nicholas Worth), The Winds of War (1983, with Jeremy Kemp and Michael Ensign), The A-Team (1983, with Melinda Culea, Dwight Schultz, and Tony Brubaker), Blue Thunder (1984), and Hunter (1985).