Kellermann began her on-screen acting career appearing in episodes of Starsky and Hutch (1975) and Laverne & Shirley (1976), and three episodes of Taxi (1978) (she played Greta Gravas, mother to the character Latka, played by Andy Kaufman). After consecutive television work, Kellermann provided parts in the classic 1980s films Beetlejuice (1988) and Elvira: Mistress …
