The film stars Jesse Eisenberg as Mike and Kristen Stewart as Phoebe, a couple whose small-town life is thrown into turmoil when Mike's secret past as a sleeper agent results in him becoming involved in a covert government operation.
Pullman's stage credits include The Other Place; Oleanna; The Goat, or Who Is Sylvia? and The Jacksonian. He has appeared in the films "Spaceballs," "A League of Their Own" and "Sleepless in Seattle" and the TV shows "Torchwood" and "1600 Penn."
The cast also includes Tony Hale, Topher Grace, John Leguizamo and Walton Goggins. Directed by Nima Nourizadeh, "American Ultra" features a script by Max Landis.