The Marvel blog brings us the following:
Rocket Raccoon has finally found his voice!
Academy Award-nominated actor Bradley Cooper has officially joined the cast of Marvel's "Guardians of the Galaxy," lending his voice to the fan-favorite raccoon that will join Peter Quill (Chris Pratt), Gamora (Zoe Saldana) and Drax (Dave Bautista) on their epic adventure.
Cooper has previously starred in "Silver Linings Playbook," for which he was nominated for an Oscar®, "Limitless," "Place Beyond the Pines" and the "Hangover" trilogy, the latter of which has grossed $1.4 billion globally. He will next be seen in "American Hustle" which will reunite him with "Silver Linings Playbook" director David O. Russell. "Guardians of the Galaxy" will mark Cooper's first voiceover work.The film hits theaters on 01 August 2014.