Peter is known for his TV acting roles, including the Hogarth in Big Breadwinner Hog, the future king George IV in Prince Regent, and the smooth neighbour Paul Ryman in the sitcom Ever Decreasing Circles. He has also starred on stage and the big screen. Recently he played Lady Rose's father Shrimpie Flintshire in Downton Abbey. Peter is a passionate supporter of animal causes and has been on peaceful demonstrations against the badger cull. He is a Patron of Compassion in World Farming.