Robert Downey Jr looks a world away from how we know him in a first-look picture from his new show The Sympathizer.

The Marvel star is set to take on multiple roles in the new HBO series, including that of a Hollywood director, as well as a congressman and CIA operative.

In the on-set photo, Downey Jr is made up to look significantly older, wearing a curly orange wig as part of his role.

robert downey jr, the sympathiser
Goff Photos

Related: Robert Downey Jr reveals what he misses about the MCU

The Sympathizer is based on the 2015 novel by Viet Thanh Nguyen, and focuses on a spy in Vietnam during the final days of the conflict, who later goes on to serve as a cultural advisor on movies such as Apocalypse Now and Platoon.

The series will also star Killing Eve's Sandra Oh in a recurring role, alongside actors Kieu Chinh and Nguyen Cao Ky Duyen.

Speaking previously about the project, Downey Jr said: "Adapting Mr Nguyen's important and masterful work requires a visionary team.

preview for "Sr." Trailer - (Netflix)

Related: Robert Downey Jr responds to Quentin Tarantino's Marvel criticism

"With director (Park Chan-wook, The Vengeance Trilogy) at the helm, I expect this to be a creative producing adventure for Susan, me and Team Downey, and a stimulating process for myself in playing these complex supporting roles.

"A24 and HBO are the perfect combination of partners and co-parents. It's exactly the type of challenge I've been craving, and I believe we will deliver an exceptional viewing experience to our audience."

This isn't the only transformative role Downey Jr has taken recently, with the actor recently also looking unrecognisable in Oppenheimer, where he plays head of the United States Atomic Energy Commission Lewis Strauss.

The Sympathizer is set to stream on HBO in the US.

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Sam is a freelance reporter and sub-editor who has a particular interest in movies, TV and music. After completing a journalism Masters at City University, London, Sam joined Digital Spy as a reporter, and has also freelanced for publications such as NME and Screen International.  Sam, who also has a degree in Film, can wax lyrical about everything from Lord of the Rings to Love Is Blind, and is equally in his element crossing every 't' and dotting every 'i' as a sub-editor.