Greg Ellis is an English actor and voice actor.

For Disney, he played Theodore Groves in Pirates of the Caribbean, Nigel Gearsley in Cars 2: The Video Game, Wax William Shakespeare in Gravity Falls, Rocket Raccoon in The Avengers: Earth's Mightiest Heroes, Nigel in Handy Manny, Jameson in Phineas and Ferb, Spruce in Sofia the First, and Valen Rudor in Star Wars Rebels.