In the 1970s, Argo made his film debut with a small part in Unholy Rollers and his television debut in a made-for-TV film Smile Jenny, You're Dead. He became a durable movie tough guy and a favorite of such directors as Martin Scorsese, Abel Ferrara and Woody Allen. His film credits include Taxi Driver, King of New York, The Rose, New York Stories, The Last Temptation of Christ, Bad Lieutenant, True Romance and Coyote Ugly. In 2001, he played Jennifer Lopez's father in the romantic drama Angel Eyes. His television guest appearances include The Rockford Files, Wonder Woman, Buck Rogers in the 25th Century, Spenser: For Hire, Law & Order and Miami Vice. Argo lent his talents to seventy-five films and twenty-one television guest roles in total.