Seth Green

Seth Green voiced Howard the Duck in Guardians of the Galaxy. He also had an uncredited cameo as an Expo Fan in Iron Man 2.

He was also interviewed for the documentary Marvel 75 Years: From Pulp to Pop.

Trivia

 * Seth Green is one of the few actors in the Marvel Cinematic Universe who has portrayed different characters.
 * Seth Green previously worked with Joss Whedon on .
 * Seth Green also voiced Rocket Raccoon in ' and ' and Rick Jones in .