Beginning in 1950, Foulger made over 90 appearances on television, in programs such as Death Valley Days, I Love Lucy, The Cisco Kid, My Little Margie, The Man Behind the Badge, The Lone Ranger, Maverick, Lawman, The Red Skelton Show, Rawhide, Wagon Train, Bonanza, Burke's Law, Daniel Boone, Hazel, The Patty Duke Show, The Monkees, Perry Mason, Laredo and Gunsmoke. He played multiple-episode characters on Dennis the Menace ("Mr. Timberlake"), Lassie ("Dan Porter") and The Andy Griffith Show ("Fred, the hotel clerk"). On Petticoat Junction he played two recurring roles: "Mr. Guerney" and Engineer "Wendell Gibbs".