Ian Conningham

 played the Viking known as Chuckles in the Doctor Who television story The Girl Who Died and Kevin and Rindle in the The Diary of River Song audio story The Lady in the Lake.

He also appeared as Maximov and Konis in The Lost Stories audio story Nightmare Country and Sinko, Ronson and a Lieutenant in The Third Doctor Adventures story Storm of the Horofax. However in the latter his name was misspelled Ian Cunningham on the Big Finish website.