KILLING GUNTHER Trailer Debut Here is the first KILLING GUNTHER trailer! The film, written and directed by Taran Killam, stars Killam, Arnold Schwarzenegger, Cobie Smulders, and Bobby Moynihan. KILLING GUNTHER will be released in theaters on the US on a date TBD. A group of eccentric assassins are fed up with Gunther, the world’s greatest hitman, and decide to kill him, but their plan turns into a series of bungled encounters as Gunther seems to always be one step ahead.