- Eddie Marsan is one of the actors to portray characters for both Marvel Studios and DC Entertainment. He portrayed Brian Etheridge in the comic book adaptation V for Vendetta.
- Eddie Marsan worked with Liev Schreiber on the TV series Ray Donovan.
- Eddie Marsan previously worked with James McAvoy in the film Filth.
- Eddie Marsan previously worked with Nicholas Hoult and Bryan Singer in Jack the Giant Slayer.