Trevor Devall. Actor: Guardians of the Galaxy. A native of Edmonton, Canada, Trevor Devall spent 15 years in Vancouver's voice-over industry as an animation and commercial voice actor, before continuing his career in Los Angeles. He is a prolific voice artist, having performed in hundreds of animated productions including television movies, series, feature films and video games. Some highlights: Rocket Raccoon in Guardians of the Galaxy (2015), Emperor Palpatine/Darth Sidious, Admiral Ackbar,...