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Actor/Actress
Description
Character
Robert Downey Jr.
An industrialist, genius inventor, and consummate playboy; the CEO of Stark Industries; a chief weapons manufacturer for the U.S. military
Tony Stark/Iron Man
Terrence Howard
A friend of Stark's, and the liaison between Stark Industries and the United States Air Force in the department of acquisitions, specifically weapons development
Lt. Colonel James "Rhodey" Rhodes
Jeff Bridges
Stark's business second-in-command, mentor and friend who turns on him to overtake the company, eventually building a giant exosuit to fight Stark
Obadiah Stane
Actor/Actress
Description
Character
Shaun Toub
Stark's fellow captive, who grafts an electromagnet to Stark's chest "to keep the shrapnel shell shards that wounded him from reaching his heart and killing him", and who helps Stark build the first Iron Man suit
Yinsen
Gwyneth Paltrow
Stark's personal assistant and budding love interest