Folie à Deux," Joaquin Phoenix stayed in full makeup even when the cast was workshopping a scene. That left one unsuspecting parent in full panic mode. "Joaquin suggested, as a joke, that we FaceTime my mum and scare her,

Joaquin Phoenix's laugh as Arthur Fleck apparently took a toll on the actor during 'Joker: Folie à Deux' production.

Folie À Deux as Assistant DA Harvey Dent, and the actor has now spoken about bringing a new take on the classic Batman villain to the

Folie à Deux character's name on set. While speaking with Variety about the upcoming comic book movie sequel, actor Harry Lawtey said that Phoenix, 49, "suggested, as a joke, that we FaceTime my mum and scare her" during a rehearsal — while the Academy Award winner remained in full clown makeup for the role.