- Sylvester Stallone as Barney Ross, the leader of the Expendables
- Jason Statham as Lee Christmas
- Jet Li as Yin Yang
- Dolph Lundgren as Gunner Jensen
- Randy Couture as Toll Road
- Steve Austin as Dan Paine
- Terry Crews as Hale Caesar
- Mickey Rourke as Tool
- Eric Roberts as Monroe
- Bruce Willis as Mr. Church
- Arnold Schwarzenegger as Trench Mauser