This week's guest is Steffan Rhodri.Steffan's acting career spans twenty years on stage and screen. His West End theatre credits include Absent Friends, Posh, The Mentalists and This House. On TV he's known for roles in Gavin and Stacey, Apple Tree Yard and Under Milk Wood.He is currently starring in Tracy Letts' Killer Joe, running at Trafalgar Studios until 18 August.