List of The Avengers and The New Avengers cast members

This is a list of actors who appeared in the British spy-fi television series The Avengers between 1961 and 1969 and its sequel The New Avengers between 1976 and 1977. Many of the actors also appeared in ITC Entertainment productions such as The Saint, Danger Man, The Baron, The Champions, The Prisoner, Man in a Suitcase, Department S, The Persuaders!, The Protectors and Randall and Hopkirk (Deceased). Several of the actors listed may have guest-starred in more than one episode across the six seasons of the production.