Dinsdale Landen

Dinsdale James Landen was a British actor known mainly for his television appearances.

Landen was born at Margate, Kent and educated at Kings School, Rochester. He made his television debut in 1959 as Pip in an adaptation of Great Expectations and made his film debut in 1960, with a walkon part in The League of Gentlemen. He first became well known during the 1960s when he starred in the TV series Mickey Dunne and The Mask of Janus, which was renamed The Spies in later series. He also had a parallel career as a stage actor, including as Richard Dazzle in the RSCs 1970 production of London Assurance.

Source: Wikipedia