Diezel Ramos

Diezel Ramos portrayed Secret Service Agent in the film  Iron Man 3 and Prison Guard in the film Guardians of the Galaxy.

Trivia
Diezel Ramos, along with Laura Haddock, Alexander Gillison, Raed Abbas, Mark Wagner, Thomas R. Baker, Eric Lee Huffman, Robert P. Thitoff, and Patton Oswalt, is one of the few actors in the Marvel Cinematic Universe who has portrayed different characters.