In which american sitcom with  247 episodes did Jeff Mooring appeared?
Jeff Mooring Jeff Mooring is an American actor. He is best known for portraying Dave on the television series "Sports Night". He also appeared on "The West Wing", "The Nanny", "Murphy Brown", "The Hit List", "The Cosby Show" and others. Mooring and his wife enjoyed buying and selling real estate and art in southern CA before moving to Washington state. They have given thousands of hours and dollars to the arts community
Happy Days Happy Days is an American television sitcom that aired first-run from January 15, 1974, to September 24, 1984 on ABC, with a total of 255 half-hour episodes spanning over eleven seasons. Created by Garry Marshall, the series presented an idealized vision of life in the mid-1950s to mid-1960s Midwestern United States, and starred Ron Howard as teenager Richie Cunningham, Henry Winkler as his friend Arthur "Fonzie"/"The Fonz" Fonzarelli, and Tom Bosley and Marion Ross as Richie's parents, Howard and Marion Cunningham. "Happy Days" became one of the biggest hits in television history and heavily influenced the television style of its time.