Chris Ryan's Strike Back or Strike Back: Origins as it is known on Cinemax is a 6 episode British military television series, it is the first of four seasons.
The series is based on a novel of the same name that is written by best-selling author and former Special Air Service solider, Chris Ryan.
The series was originally aired in the United Kingdom in May 2010. Following the huge sucesss of the series, American television network, Cinemax co-produced the following seasons, 2, 3 and 4. Also known as Project Dawn, Vengeance and Shadow Warfare.
After Cinemax aired the last three seasons, they then aired Season One and named it "Strike Back: Origins".
- Richard Armitage as Sgt. John Porter
- Andrew Lincoln as Maj. Hugh Collinson
- Jodhi May as Lt. Layla Thompson
- Shelley Conn as Sgt. Danni Prendiville