- Gary Oldman George Smiley
- Kathy Burke Connie Sachs
- Benedict Cumberbatch Peter Guillam
- Colin Firth Bill Haydon
- David Dencik Toby Esterhase
- Stephen Graham Jerry Westerby
- Tom Hardy Ricky Tarr
- Ciarán Hinds Roy Bland
- John Hurt Control
- Toby Jones Percy Alleline
- Svetlana Khodchenkova Irina
- Simon McBurney Oliver Lacon
- Mark Strong Jim Prideaux
- Laura Carmichael Sal
