Spencer Wilding is a Welsh actor, specializing in suit performance or stunt roles. He played a Vogon soldier in the Creature Shop-effects film The Hitchhiker's Guide to the Galaxy.
Wilding made his film debut as the werewolf form of Remus Lupin in Harry Potter and the Prisoner of Azkaban. He later stunt doubled for Benicio del Toro's werewolf scenes in The Wolfman, played the minotaur in Wrath of the Titans, a mean alien guard in Guardians of the Galaxy, and the monster Prometheus in Victor Frankenstein, as well as a white walker on Game of Thrones and various monsters on Doctor Who. He was one of two performers to portray Darth Vader in Rogue One.
Outside of prosthetics and suits, Wilding appeared in Batman Begins (a League of Shadows warrior), Ghost Rider: Spirit of Vengeance, and Green Street 2: Never Back Down and did stunt work on Green Lantern.