He has appeared regularly on TV and radio, and in cabaret and theatre all over Great Britain, including London Palladium seasons, Royal Command Performances and pantomime. He is one of the most accomplished dames in pantomime. His many appearances on TV include Crackerjack and The Black and White Minstrel Show, which he hosted for three years on TV and five years on stage, The Good Old Days, The Billy Cotton Bandshow and The Roy Castle Show. He has also hosted successful TV game shows such as Mouthtrap and First Letter First. In the late 70s, Don was a regular on Celebrity Squares, hosted three series of Keen Types for BBC 2, and devised and appeared in The Cheapest Show On The Telly with Lenny Henry. Radio has played a major part in Don's career. His credits include the series Maclean Up Britain and Keep It Maclean, being a regular team member on Wit's End, team captain on The Press Gang, quizmaster on The Clever Dick Athlon which he also devised, and hosting three series of Are You Sitting Comfortably? He was the host of Radio 2's religion-and-music show Good Morning Sunday. In 2001 he was awarded the MBE for services to ecumenism.