Jason Iain Flemyng (born 25 September 1966) is an English actor.
- Deep Rising
- Lock, Stock & Two Smoking Barrels
- The League of Extraordinary Gentlemen
- The Curious Case of Benjamin Button
- Pegasus Bridge
- Transporter 2
- Clash of the Titans
- Solomon Kane
- X-Men: First Class
- Fake American: In The Curious Case of Benjamin Button he plays the titular character's father, a New Orleans native.
- Production Posse: Usually stars in Matthew Vaughn's films.
- Real Life Writes the Plot: Primeval got cancelled and he had pending film commitments when it was Un-Cancelled, resulting in Danny staying in prehistoric times until the fourth season finale.