Entertainment Movies Dolph Lundgren Confirms Return to 'Aquaman 2' with Red Hair in Behind-the-Scenes Photo "Hanging out in my trailer on Aquaman 2," Dolph Lundgren wrote on Instagram last week, showing off his red hair for the role of King Nereus By Tristan Balagtas Tristan Balagtas Digital News Writer, PEOPLE People Editorial Guidelines Published on October 18, 2021 06:10PM EDT Dolph Lundgren https://www.instagram.com/p/CVAtD07KQFi/ Credit: Dolph Lundgren/Instagram. Photo: Dolph Lundgren/Instagram Dolph Lundgren is back as King Nereus — and he has the lovely locks to prove it! On Thursday, the Swedish-born actor shared a photo from the set of Aquaman and the Lost Kingdom on Instagram, showcasing his freshly dyed red hair. The action star plays the king of the underwater kingdom of Xebel who is also the father to Amber Heard's character, Mera. Shirtless Patrick Wilson Looks Buff and Rugged on the Set of Aquaman and the Lost Kingdom Warner Bros/DC/Kobal/Shutterstock "Hanging out in my trailer on Aquaman 2," Lundgren, 63, captioned the behind-the-scenes shot. "Great script, great director, terrific cast and a fantastic crew. Really enjoying it! 🧜🏼♂️." Along with the red hair, Lundgren sported an all-black outfit and matching sneakers. The star isn't the only Aquaman actor to transform his mane for the upcoming DC Extended Universe superhero film. In July, Jason Momoa revealed on Instagram that he was ditching his naturally brunette 'do and going blonde for the role of Aquaman. "This is the last day of the brown. I'm gonna be a blonde," Momoa said. "They supposedly have more fun. I don't know about that; we'll test it out." Jason Momoa Reveals He's Going Blonde for Aquaman Sequel: 'Supposedly They Have More Fun' The 42-year-old actor previously had blonde highlights to play the superhero. It's unclear if he'll go fully blonde this time around or just dye his ends again. "London calling!… so excited to start Aqua-man 2, we are here! goodbye brown hello blondie!" Momoa captioned the video. RELATED VIDEO: Jason Momoa Surprises 'Amazing' Young Fan Struggling with Cancer with an Aquaman Trident Never miss a story — sign up for PEOPLE's free weekly newsletter to get the biggest news of the week delivered to your inbox every Friday. Aquaman's iconic outfit also got an update for the upcoming film. Instead of his classic green-and-gold attire, Momoa's character will rock a navy bodysuit with chrome accents in the movie. "Second round. New suit. More action. #aquaman Aloha j," Momoa captioned a set of images on Instagram. Aquaman and the Lost Kingdom is slated for release in December 2022.