Professor James Arnold – Mark Hamill

Kingsman: The Secret Service (2014) Professor James Arnold is environmentally aware scientist who gets kidnapped. He is successful cellphone technology entrepreneur, becoming the "127th richest man in the world".

Kingsman: Antagonists / Characters - TV Tropes

Kingsman Cameo de Mark Hamill explicado

Kingsman: The Golden Circle – did the shock tactics go too far? Discuss with spoilers, Kingsman: The Golden Circle

James Arnold, The Kingsman Directory

In Kingsman: The Secret Service the graphic novel, Mark Hamill is featured as a kidnapped celebrity, in the movie, Mark Hamill himself plays a character named Professor Arnold. : r/MovieDetails

Mark Hamill - Wikipedia

Mark Hamill — The Movie Database (TMDB)

James Arnold Taylor – Pensacon

When Mark Hamill advised Arnold Schwarzenegger to lose the accent and change his last name