Aidan Turner is the only one of the main cast members not to have appeared on Doctor Who (2005). Russell Tovey (George) played Alonso Frame in Doctor Who: Voyage of the Damned (2007), Lenora Crichlow (Annie) played Cheen in Doctor Who: Gridlock (2007), and Sinead Keenan (Nina) played Addams in Doctor Who: The End of Time: Part One (2009) and Doctor Who: The End of Time: Part Two (2010). Also, 'Dean Lennox Kelly', who plays 'Tully' also played 'Shakespeare' in 'The Shakespeare Code'. Additionally, Donald Sumpter who plays Kemp in Season 2, has appeared in the original Doctor Who (1963) serials The Wheel in Space (Episodes 1-6) and The Sea Devils (Episodes 3-5).