 Labiosa had a role in the 1988 season of "CBS Schoolbreak" in the episode "Gangs" where he starred as former gang member turns Army soldier Anthony Rojas.Labiosa's most recognizable role was as the fired busboy in the "Seinfeld" episode "The Busboy".Labiosa plays Antonio, who was fired after George Costanza and Elaine Benes lightly criticised him for leaving a menu to light on fire.