Geoffrey Breton voiced Lucas Catch in the Big Finish Bernice Summerfield audio story HMS Surprise, Leo Gardner in the Big Finish Doctor Who audio story The Death of Hope, Phelgreth in the Big Finish Doctor Who audio story Absolution, Captain Edwin Turner in Wildthyme Reloaded, FSB Agent in the Torchwood audio story Zone 10, and a bartender in The Torchwood Archive.
He has been working on British television since the mid-2000s. As of January 2012[update], he is likely best known as Peter Van Daan on the 2009 television mini-series adaptation of The Diary of Anne Frank.