Mary Page Keller (born March 3, 1961 in Monterey Park, California) is an American actress known for roles on television. Keller began her career on the daytime soap operas Ryan's Hope (1982–1983) and Another World (1983–1985) and later starred in a number of television sitcoms. She starred as Laura Kelly in the Fox comedy series Duet (1987-1989) and in the show's spin-off, Open House (1989–1990). Keller later had lead roles in the short-lived sitcoms Baby Talk (1991–1992), Camp Wilder (1992–1993), and Joe's Life (1993).
In film, Keller is known for her performance in the comedy-drama Beginners (2010). In 2000s, she had recurring and guest-starring roles in a number of television dramas. From 2014 to 2015, Keller starred as the mother of the lead character in the ABC Family drama series Chasing Life.
As a child, Keller participated in productions at Toby's Dinner Theatre under the direction of director Toby Orenstein. She later began her acting career on daytime soap operas. She played Amanda Kirkland (1982–1983) on Ryan's Hope and Sally Frame (1983-85) on Another World. Moving to primetime, she played the part of Laura Kelly on two Fox sitcoms, Duet (1987–89) and its spinoff Open House (1989–90). In 1992, Keller was lead actress in Season 2 of the ABC comedy series Baby Talk. She also starred in another short-lived ABC sitcom, Camp Wilder (1992-93). In 1993, she starred in Joe's Life, also on ABC. During the same years, Keller acted in a number of television films and had a dramatic role in Life Goes On.