Actor, Joaquin Phoenix, in full Joker costume and make-up, was seen running at full speed while filming an intense scene where he is being pursued by co-stars Shea Whigham and Bill Camp whom will be playing two Gotham Police Detectives for the upcoming ‘Joker’ movie. The scene involved a dangerous stunt where Joaquin’s Stunt Double took a nasty hit by a taxi while filming under an elevated train station in the Bronx.