By Seamus Duff Gavin & Stacey star Steffan Rhodri has confessed he almost said no to starring in the hit show because he had no idea who James Corden was. The 57-year-old actor plays David Lloyd Gooch on the show – who ends up being better known as “Dave Coaches”, a local bus driver in the BBC comedy show. He even goes on to become the fiancé of co-creator Ruth Jones’s character Vanessa Shanessa ‘Nessa’ Jenkins. However, the actor has explained that he almost turned down the chance to appear on the show entirely – as he didn’t know who show writers James, 45, and Ruth, 57, were. The actor – wh…