Nicholas Hoult joins Harry Potter TV show - see the cast so far

Hoult, known for his roles in X-Men, Superman and Mad Max: Fury Road, will play Gilderoy Lockhart.

Hoult joins the wizarding world as the famously vain Defence Against the Dark Arts teacher, previously played by Kenneth Branagh in 2002.

The 36-year-old will play Hogwarts professor Gilderoy Lockhart in the HBO adaptation of the children’s fantasy novels by JK Rowling.

The 36-year-old will play Hogwarts professor Gilderoy Lockhart in the HBO adaptation of the children’s fantasy novels by JK Rowling.

The highly anticipated first season of HBO's reboot of Harry Potter has yet to be released.

The 'Superman' actor takes on a role played by Kenneth Branagh in the 'Chamber of Secrets' film.

Nicholas Hoult will play Gilderoy Lockhart in the second season of HBO’s “Harry Potter” TV series, Variety has learned from sources. The highly-anticipated series is due to debut on Dec. 25 on HBO and HBO Max, with the first season adapting the first book in the novel series, “Harry Potter and the Philosopher’s Stone.”

EXCLUSIVE: Nicholas Hoult is still in his villain era. The Superman star has been tapped as a high-profile cast addition to the upcoming second season of HBO’s Harry Potter series. He will play Gilderoy Lockhart, a major character in Harry Potter and the Chamber of Secrets, who was portrayed in the second movie by Kenn