Michael Gross (born June 21, 1947) is an American television, movie, and stage actor who plays both comedic and dramatic roles. His most notable roles are father Steven Keaton from Family Ties and the Graboid hunter Burt Gummer from the Tremors franchise.
Gross was born in Chicago, Illinois, the son of Virginia Ruth (née Cahill), a telephone operator, and William Oscar Gross, a tool designer. Coincidentally, Gross and his Family Ties co-star Meredith Baxter (who played his wife Elyse Keaton), were born on the same date, June 21, 1947. He attended high school at Kelvyn Park High School on the north side of Chicago. He received his drama degree at the University of Illinois at Chicago before attending Yale University for his Master of Fine Arts degree. His sister, Mary Gross, is a former Saturday Night Live cast member.
Gross is known for his roles as "Steven Keaton" in the 1980s sitcom Family Ties and as "Burt Gummer" in the Tremors (film) movies and subsequent TV series. The sketch of the Keaton Family during the opening sequence of Family Ties was drawn by Gross. He guest-starred in an episode of the sitcom Night Court, in which he played a sexual predator of Markie Post's character, Christine Sullivan.