Joaquin Phoenix Will Star in Ari Aster's Upcoming Film 'Disappointment Blvd.'

Joaquin Phoenix is taking on a new role!

The 46-year-old Joker actor is set to star in Ari Aster‘s new A24 feature Disappointment Blvd., via THR on Thursday (February 18).

PHOTOS: Check out the latest pics of Joaquin Phoenix

A24 and Ari worked together on Hereditary and Midsommar.

Disappointment Blvd. is described as an “intimate, decades-spanning portrait of one of the most successful entrepreneurs of all time.” Further plot details have yet to be revealed.

Joaquin Phoenix and Rooney Mara recently opened up about their baby son for the first time in a new essay. The longtime couple wrote an op-ed for People magazine, focusing on the migrant children whose parents are unable to be located. See what they said.