John Travolta
John Joseph Travolta (born February 18, 1954) is an American actor, film producer, dancer, and singer. Travolta first became known in the 1970s, appearing on the television series "Welcome Back, Kotter" (1975–1979) and starring in the box office successes "Saturday Night Fever" (1977) and "Grease" (1978). His acting career declined through the 1980s, but enjoyed a resurgence in the 1990s with his role in "Pulp Fiction" (1994), and he has since starred in films such as "Get Shorty", "Broken Arrow", "Face/Off", "Swordfish", "Be Cool", "Wild Hogs", "Hairspray", and "The Taking of Pelham 123".
Ellen Travolta
She is probably best known for her portrayal of Louisa Arcola Delvecchio, the aunt of Fonzie (Henry Winkler) and mother of Chachi Arcola (Scott Baio) in the 1950s-based sitcom "Happy Days", and the spin-off "Joanie Loves Chachi". She also played the mother of Baio's character on the syndicated comedy series "Charles in Charge" from 1987-90.
Travolta played Mrs. Horshack-O'Hara in three episodes of "Welcome Back, Kotter", on which her brother, actor John Travolta, starred as Vinnie Barbarino in the series. Later in the 1970s, she played Dorothy Manucci in the short-lived television series "Makin' It". She played Marion Keisker in John Carpenter's renowned 1979 television film "Elvis".