- Country: UK
- Genres: Crime, Drama, Mystery
- Release: 1967-07-08
- Director: N/A
- Writers: James Mitchell
- Language: English
- Stars: Edward Woodward , Edward Woodward , Russell Hunter , Lisa Langdon , Lisa Langdon , Lisa Langdon , Anthony Valentine , Anthony Valentine , William Squire , Patrick Mower , Geoffrey Chater , Ronald Radd , Ronald Radd , Ronald Radd , Derek Bond , Clifford Rose , Clifford Rose
- Runtime: 60 min
- Awards: Won 1 BAFTA Award2 wins & 3 nominations total
- AKA: Callan (Australia) , Каллан , Callan , Callan (Germany) , Callan (United States of America) , Callan (United Kingdom)
- Plot: David Callan is the top agent/assassin for the Security Service (British counterintelligence), but he is an embittered man who performs his duties "for Queen and country" under duress. This bleak, "Spy who Came in from the Cold"-style espionage drama concentrates on the seamy underside of covert operations: assassinations, blackmail and dirty dealing.
- IMDB:tt0061238
Callan Cast · · · ALL
Edward Woodward
David Callan
Russell Hunter
Lonely
Anthony Valentine
Mears
William Squire
Hunter
Patrick Mower
Cross