Actor Mark Williams, who portrayed Weasley patriarch Arthur since the second film, Harry Potter and the Chamber of Secrets, also celebrates his birthday on August 22nd! Mark, born in 1959, turns 52 years old today.

Mark, a long-time comedic actor, has also been featured in such films as Stardust, 101 Dalmatians, The Borrowers (with Tom Felton and Jim Broadbent), and Shakespeare in Love, but is most notably known for his television work, including Red Dwarf and The Fast Show.

Happy Birthday, Mark!