Idris Elba, Kathryn Hahn and Adam Devine have been added to the voice cast of the R-rated animation ‘Fixed.’

The adult comedy follows Bull, an average dog who discovers he’s going to be neutered in the morning. As the gravity of this life-altering event sets in, Bull realizes he needs one last adventure with his pack of best friends as these are the last 24 hours with his balls.

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Adam Devine will voice Bull, and Idris Elba, who will take on his buddy Rocco. Also in the voice cast are Bobby Moynihan (voicing Lucky), Fred Armisen (Fetch), Beck Bennett (Sterling), River Gallo (Frankie) and Michelle Buteau (Molasses), as well as ‘Hotel Transylvania’ alumni Kathryn Hahn, who takes on the role of Bull’s love interest Honey.

Genndy Tartakovsky will complete the film in September. Michelle Murdocca is a producer.

A release date has yet to be announced.