- Paul McGann
- Â The Doctor 35 episodes, 2006-2011
- Sheridan Smith
- Â Lucie Miller / ... 30 episodes, 2006-2011
- Katarina Olsson
- Â The Headhunter / ... 18 episodes, 2006-2009
- Nicholas Briggs
- Â The Daleks / ... 17 episodes, 2006-2011
- Barnaby Edwards
- Â Newsreader / ... 11 episodes, 2008-2010
- Niky Wardley
- Â Tamsin Drew 7 episodes, 2010-2011
- Beth Chalmers
- Â Queen / ... 7 episodes, 2009-2011
- Graeme Garden
- Â The Monk / ... 5 episodes, 2008-2011
- Sonny McGann
- Â Alex Campbell / ... 4 episodes, 2007-2010
- Nickolas Grace
- Â Straxus 4 episodes, 2007-2008
- Nick Wilton
- Â Harold / ... 4 episodes, 2008-2010
- Carole Ann Ford
- Â Susan Campbell 4 episodes, 2009-2011
- Anthony Spargo
- Â David / ... 3 episodes, 2007-2009
- Louise Fullerton
- Â Karen 3 episodes, 2007-2008
- Barry McCarthy
- Â Bulek / ... 3 episodes, 2008-2009
- Hayley Atwell
- Â Asha 2 episodes, 2006-2007
- Anita Dobson
- Â Eileen Klint 2 episodes, 2006-2007
- Kenneth Cranham
- Â Tom Cardwell 2 episodes, 2006-2007
- Gerry O'Toole
- Â Lowell 2 episodes, 2006-2007
- Clare Buckfield
- Â Spring-Heeled Sophie / ... 2 episodes, 2007-2008
- Roy Marsden
- Â Todd Hulbert 2 episodes, 2007
- Owen Brenman
- Â Jerry 2 episodes, 2007
- Andrew Wisher
- Â Malcolm 2 episodes, 2007
- Nick Brimble
- Â Announcer / ... 2 episodes, 2008-2010
- Alexander Siddig
- Â Rosto 2 episodes, 2008
- Kenneth Colley
- Â Zarodnix 2 episodes, 2008
- Duncan James
- Â Herald / ... 2 episodes, 2008
- Nicola Weeks
- Â Haspira / ... 2 episodes, 2008
- Sophie Winkleman
- Â Kelly Westwood 2 episodes, 2009
- Lysette Anthony
- Â Hazel Bright 2 episodes, 2009
- Kerry Godliman
- Â Karen 2 episodes, 2009
- Nigel Planer
- Â Alex Marlow 2 episodes, 2009
- Sanjeev Bhaskar
- Â Dr. Avishka Sangakkara 2 episodes, 2009
- Stephen Moore
- Â Clark Goodman 2 episodes, 2009
- Ian Brooker
- Â Air Control / ... 2 episodes, 2009
- Adna Sablyich
- Â Christina Ondrak 2 episodes, 2009
- Richard Earl
- Â Rob / ... 2 episodes, 2009
- Stuart Crossman
- Â Mark / ... 2 episodes, 2009
- Tracy-Ann Oberman
- Â Temperance Finch 2 episodes, 2010
- Nicky Henson
- Â Gregson Grenville / ... 2 episodes, 2010
- Ian McNeice
- Â Zeus 1 episode, 2007
- Una Stubbs
- Â Flo 1 episode, 2007
- Timothy West
- Â Kai Tobias 1 episode, 2007
- Bernard Cribbins
- Â Arnold Korns 1 episode, 2007
- Nigel Havers
- Â Nick Zimmerman 1 episode, 2007
- Julia McKenzie
- Â Rachel Zimmerman 1 episode, 2007
- Elspet Gray
- Â Hera 1 episode, 2007
- Tom Chadbon
- Â Gordon Davidson 1 episode, 2007
- John Schwab
- Â Hayden 1 episode, 2007
- Jennifer Higham
- Â Sararti 1 episode, 2007
- Nerys Hughes
- Â Eris 1 episode, 2007
- Ben Silverstone
- Â Drew / ... 1 episode, 2007
- David Dobson
- Â Ares / ... 1 episode, 2007
- Tim Hudson
- Â Tar-Modowk / ... 1 episode, 2007
- Stephen Gately
- Â Tommy Tomorrow 1 episode, 2007
- Tim Sutton
- Â Farl 1 episode, 2007
- Samuel West
- Â Morbius 1 episode, 2008
- Barbara Flynn
- Â Croc Trooper / ... 1 episode, 2008
- James Fleet
- Â O'Reilley 1 episode, 2008
- Art Malik
- Â Abbot Absolute 1 episode, 2008
- Sean Biggerstaff
- Â Brother / ... 1 episode, 2008
- Rupert Vansittart
- Â Archdruid / ... 1 episode, 2008
- Adrian Dunbar
- Â McCarthy 1 episode, 2008
- Michael Maloney
- Â Cab Driver / ... 1 episode, 2008
- Sebastian Armesto
- Â Anders / ... 1 episode, 2008
- Steven Pacey
- Â Trevor 1 episode, 2008
- Christopher Benjamin
- Â Tardelli 1 episode, 2008
- Malcolm Stoddard
- Â Urtak 1 episode, 2008
- Derek Griffiths
- Â Jason Taylor 1 episode, 2008
- Tim Brooke-Taylor
- Â Mims 1 episode, 2008
- Colin Spaull
- Â Henrik 1 episode, 2008
- Richard Laing
- Â Band Leader / ... 1 episode, 2008
- Giles Watling
- Â Camel Man / ... 1 episode, 2008
- Mikey O'Connor
- Â Dannahill / ... 1 episode, 2008
- Lorna Want
- Â Sally Taylor 1 episode, 2008
- Samantha Bond
- Â Mother Baroque 1 episode, 2009
- Miriam Margolyes
- Â Frau Tod 1 episode, 2009
- Peter Guinness
- Â Baron Teufel 1 episode, 2009
- Phil Davis
- Â Titus 1 episode, 2009
- Colin Salmon
- Â Trooper Salway 1 episode, 2009
- Samuel Barnett
- Â Hans 1 episode, 2009
- Christopher Fairbank
- Â Doc Baroque / ... 1 episode, 2009
- Paul Rhys
- Â Max Paul / ... 1 episode, 2009
- Leslie Ash
- Â Hope / ... 1 episode, 2009
- Andrew Sachs
- Â Crassostrea 1 episode, 2009
- Ian Hallard
- Â Duncan 1 episode, 2009
- Trevor Cooper
- Â Coachman / ... 1 episode, 2009
- Daniel Anthony
- Â Delong 1 episode, 2009
- Phill Jupitus
- Â Servo 1 episode, 2009
- Clifford Rose
- Â Major Treptow 1 episode, 2009
- Nigel Lambert
- Â Diode / ... 1 episode, 2009
- Oliver Senton
- Â Probus / ... 1 episode, 2009
- Teddy Kempner
- Â Crusher / ... 1 episode, 2009
- Laura Solon
- Â Selta 1 episode, 2009
- Matt Addis
- Â Faisal Jensen / ... 1 episode, 2009
- Liz Sutherland
- Â Farroll 1 episode, 2009
- Thorston Manderlay
- Â Leutnant 1 episode, 2009
- Sheryl Gannaway
- Â Holly Barrett 1 episode, 2009
- Alison Thea-Skot
- Â Greta 1 episode, 2009
- Charlotte Fields
- Â Minerva 1 episode, 2009
- Shelley Conn
- Â Asha Qureshi 1 episode, 2010
- David Warner
- Â Professor Boston Schooner 1 episode, 2010
- Emilia Fox
- Â Berenice 1 episode, 2010
- Jim Carter
- Â Brother Bernard 1 episode, 2010
- Susan Brown
- Â Margaret 1 episode, 2010
- Fenella Woolgar
- Â Morella Wendigo 1 episode, 2010
- Joe Thomas
- Â Theo Lawson 1 episode, 2010
- Ryan Sampson
- Â Brother Patrick / ... 1 episode, 2010
- Sabina Franklyn
- Â Wanda Rothman 1 episode, 2010
- Terrence Hardiman
- Â King Sitric 1 episode, 2010
- Eric Loren
- Â Edgar Allen Poe / ... 1 episode, 2010
- James Bachman
- Â Hugh Bainbridge 1 episode, 2010
- Joanna Kanska
- Â Rachel 1 episode, 2010
- Tony Millan
- Â Leonard Pallister 1 episode, 2010
- Michael J. Shannon
- Â Senior Prosecutor Uglosi 1 episode, 2010
- John Banks
- Â Ravens / ... 1 episode, 2010
- Jeany Spark
- Â Jelena 1 episode, 2011
- Richenda Carey
- Â Gliss 1 episode, 2011
- Pandora Colin
- Â Fash 1 episode, 2011
