Gavin O’Connor is directing the project, which is in preproduction and will shoot in Atlanta.
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Affleck plays a mild-mannered accountant and math genius with Asperger’s who moonlights as an assassin. The cast also includes J.K. Simmons, Jon Bernthal (playing a mercenary for hire) and Anna Kendrick (also playing an accounting whiz who gets mixed up with Affleck’s character).
Tambor will play a veteran Mafia accountant who is Affleck’s mentor.
Bill Dubuque wrote the script, which was on the 2011 Black List and had been once set up at Columbia with Will Smith in the lead.
Mark Williams and Lynette Howell are producing the film. Drew Crevello and Jon Gonda are overseeing for the studio.
Tambor has received wide acclaim for his work as a father who reveals he is transgender to his adult children in Transparent. The Jill Soloway-created show won best TV series in the comedy/musical category while Tambor won best actor in the comedy/musical category at the Golden Globes.
Tambor also played the put-upon father of Zach Galifianakis in The Hangover movies, which were made by Warners.
He is repped by Gersh.