He is known for playing Sir George Dillingham in the musical Aspects of Love, for which he received a Tony nomination, and Cliff in the original London production of Cabaret opposite Judi Dench.
[2] Colson began his career as a television announcer on a religious program on Sundays, and then became the Seven Network station compère[1][3] and hosted Room for Two in 1959.
He then played Cliff Bradshaw to Judi Dench's Sally Bowles in the original London production of Cabaret at the Palace Theatre .
[1] After the oil business ended in 1985 he appeared in Stephen Sondheim's Follies, and then as CIA agent Walter DeCourcey in the original London production of Tim Rice's musical Chess.
[21] He has appeared in many productions at the Finborough Theatre in London, including The Destiny of Me (2002), Allport’s Revenge (2004), Van Badham's The Gabriels.
[1] Colson had roles on the television series Man at the Top, Spytrap, First Among Equals, The Woman He Loved, Poor Little Rich Girl, Executive Stress, and Crossroads.