Mary Gross was born on March 31, 1953 in Chicago, Illinois. She is the younger sister of actor Michael Gross, who is known to audiences for his role as Stephen Keaton on the popular 1980s sitcom Family Ties. Mary attended Madonna High School and, as a performer, went on to become a featured member of the famous Second City Comedy Troupe. After honing her talents at Second City, Mary joined the cast of NBC's Saturday Night Live in 1981 during the show's seventh season. Mary performed alongside such esteemed comic talents as Eddie Murphy, Julia Louis-Dreyfus, Joe Piscopo and Jim Belushi. Mary was co-anchor of SNL's Weekend Update segment during her first year on the show and skillfully impersonated a number of different celebrities, including Mary Tyler Moore, Nancy Reagan, Brooke Shields, Marilyn Monroe and Pee-Wee Herman. Since leaving Saturday Night Live in 1985, Mary has appeared in the movies Feds, Big Business, Troop Beverly Hills and The Santa Clause. She has also appeared on the TV shows Sabrina The Teenage Witch, According to Jim, Boston Legal and General Hospital.