Ryan Reynolds, Justin Timberlake and 'The Hangover's' Bradley Cooper are the three frontrunners for Warner Bros 'Green Lantern' film.

According to The Hollywood Reporter, Warners Bros along with director Martin Campbell, has spent the past five months searching for the actor to play Hal Jordan.

Jordan is the hot-shot Air Force pilot who is chosen by a dying alien to be his successor in an intergalactic police force known as the Green Lanterns.

Other actors who had already been considered for the role include Henry Cavill, Jared Leto and 'Hunger's' Michael Fassbender.

The 'Green Lantern' is due for release in 2011.