He was interviewed for the documentary Marvel 75 Years: From Pulp to Pop.
- Seth Green is the husband of Clare Grant.
- Seth Green is one of the actors who have portrayed multiple characters in the Marvel Cinematic Universe.
- Seth Green previously worked with James Gunn in Scooby-Doo 2: Monsters Unleashed.
- Seth Green previously worked with Joss Whedon in Buffy the Vampire Slayer.
- Seth Green also voiced Rocket Raccoon in Hulk and the Agents of S.M.A.S.H. and Avengers Assemble and Rick Jones in Hulk and the Agents of S.M.A.S.H. and Ultimate Spider-Man.
- Seth Green voice an alternate version of Howard the Duck in Ultimate Spider-Man.
- Seth Green is one of the few ators to portray characters for both Marvel Studios and DC Entertainment. He voiced Wizard in Batman: The Animated Series and Nelson Nash and Dempsey in Justice League: The New Frontier.
- Seth Green also voiced Leonardo in the comic book adaptation Teenage Mutant Ninja Turtles.