Wow! You'll never recognize this action hero with a bald head, plus more stars' on-screen transformations

Robert Downey Jr. is known for his physical transformations for movie roles

He recently debuted a bald head for his upcoming HBO series "The Sympathizer"

The series is an espionage-thriller

The transformation makes him almost completely unrecognizable

He is known for his role as Iron Man in the Marvel Cinematic Universe

Robert Downey Jr. is known for being a dedicated and committed actor

He has previously drastically changed his appearance for roles is highlighting celebrities who have transformed their looks for on-screen roles

Movie magic allows actors and actresses to change their appearances for the sake of getting into character

Robert Downey Jr. was spotted on the set of "The Sympathizer" in Los Angeles on January 13, 2023.