Every season of Callan ever, ranked from best to worst by thousands of votes from fans of the show. The best seasons of Callan!

Callan is the title of a British television series set in the murky world of espionage. Originally produced by ABC Weekend Television and later Thames Television, it was aired on the ITV network over four seasons spread out between 1967 and 1972. The series starred Edward Woodward as David Callan, a reluctant professional killer for a shadowy branch of the British Government's intelligence services known as 'the Section'.

The Best Seasons of Callan

Every season of Callan ever, ranked from best to worst by thousands of votes from fans of the show. The best seasons of Callan!