Adam Baldwin
Adam Baldwin (born February 27, 1962) is an American actor best known for playing Jayne Cobb in the television series Firefly (also starring Gina Torres and Alan Tudyk); and its follow-up feature film, Serenity. He has appeared in films such as Full Metal Jacket, Predator 2, Independence Day, and The Patriot, as well as TV shows including The X-Files, NCIS, Angel, Chuck, and multiple CSI series.
Equally prolific as a voice actor, he worked on Static Shock, Men in Black, Invader Zim, and Justice League.
He's not related to Alec or the other Baldwin brothers.