Stephen Anthony Critchlow (22 November 1966 – 19 September 2021) was a British actor, known for his work in the theatre and appearances on radio series such as Truly, Madly, Bletchley, The Way We Live Right Now, and Spats, along with radio episodes of Torchwood (Lost Souls), and Doctor Who (The Nowhere Place). He has also appeared in Kenneth Williams: Fantabulosa! as Kenneth Horne, in Red Dwarf XI as computer-generated space ship captain Edwin Herring, Hattie as the Carry On film director Gerald Thomas and appeared in the West End version of The 39 Steps.