William Willoughby has been a member of the British Stunt Register from the age of eighteen.

| Title | ||||||
|---|---|---|---|---|---|---|
1408 | Mailbox Worker | 6.697 | 2007-06-22 | 7.6419 | ||
Star Wars: The Last Jedi | Praetorian Guard (uncredited) | 6.73 | 2017-12-13 | 19.2364 | ||
Azaad | British Officer | 6.2 | 2025-01-17 | 1.0082 | ||
Penelope | Handsome Suitor | 6.7 | 2006-10-07 | 3.2344 | ||
Silent Witness | Anthony Drinkwater | 7.561 | 1996-02-21 | 60.2631 | ||
The Fall | Joseph Brawley | 7.682 | 2013-05-12 | 10.992 | ||
Heartbeat | Stuart Hopley | 7.1 | 1992-04-10 | 44.8653 | ||
The Marlow Murder Club | Louis Oldham | 5.9 | 2024-03-06 | 9.1466 | ||
Death in Holy Orders | Ronald Treeves | 7.1 | 2003-08-23 | 3.098 | ||
Shameless | Joey Maguire | 7.5 | 2004-01-13 | 46.85 |