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,

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

Joker: Folie à Deux' actor Harry Lawtey told 'Variety' that he and Joaquin Phoenix pranked Lawtey's mother by having Phoenix appear on their FaceTime call while wearing his full Joker makeup. "I said,

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