Adam Baldwin (born February 27, 1962) is an American actor and voice actor. He starred in Full Metal Jacket (1987) as Animal Mother, as well as in the television series Firefly and its continuation film Serenity as Jayne Cobb. His roles include Stillman in Ordinary People (1980), Colonel John Casey in Chuck and Mike Slattery in The Last Ship.
He played Major James Bowen in the revival series episode "Phobos Rising". Archive footage of this appearance was later used in the clip show "The Human Factor (2002)".