The Glenn Miller Story (1954), Sabrina (1954), Lust for Life (1956), Lizzie (1957), Teacher's Pet (1958), Some Came Running (1958), and Operation Petticoat (1959). She also appeared in Colossus: The Forbin Project (1970), Honky (1971), and Grand Theft Auto (1977). Ross' career on television also began in 1953, when she played the Irish maid on the series Life with Father for two years. In 1954, she appeared as Ginny Thorpe on The Lone Ranger, and in 1958, she appeared on NBC's Mickey Spillane's Mike Hammer as Mary Williams. In 1959, she appeared as a teacher Miss McGinnis on ABC's The Donna Reed Show. Ross also appeared on The George Burns and Gracie Allen Show, The Millionaire (1956 episode), Steve Canyon, Perry Mason (The Case of the Romantic Rogue), Buckskin, The Barbara Stanwyck Show, Father Knows Best, The Outer Limits (The Special One), Thriller (U.S. TV series) (The Prisoner in the Mirror), The Brothers Brannagan (two episodes as Diane Warren), The Eleventh Hour, Mannix, Route 66, Mr. Novak, Death Valley Days, Hawaii Five-O, The Brady Bunch, The Fugitive, and Night Court. In the 1961–62 television season, she played Gertrude Berg's daughter on the CBS sitcom Mrs. G. Goes to College as well as starred as a mail order bride on Rawhide. Ross had an uncredited and non-speaking role as one of the hapless passengers on board Trans Global Flight #2 in Airport (1970). That year, Ross played a computer scientist opposite Eric Braeden in the sci-fi thriller Colossus: The Forbin Project. Happy Days success and roles thereafter: 1974–95 Ross' best known role is on the sitcom Happy Days, which aired for 11 seasons on ABC, from 1974 to 1984. She portrayed matriarch Marion Cunningham, mother of Richie, Joanie, and (briefly) Chuck. She received Primetime Emmy Award nominations for her work on the show in 1979 and 1984. Ross later reprised Marion Cunningham on the spin-off series Joanie Loves Chachi and on Family Guy. Between 1978 and 1986, she appeared as different characters on The Love Boat. In the 1986–87 television season, Ross became a series regular, playing Emily Haywood. She later starred in the short-lived, critically acclaimed comedy-drama Brooklyn Bridge, which ran on CBS from 1991 to 1993. The series won a Golden Globe Award and was nominated for a Primetime Emmy Award following its first season. Ross also appeared on the game show Password Plus in 1979. Recent roles: 1996–2021