Sir Ian Murray McKellen, CH, CBE (born 25 May 1939) is an English actor. He has received a Tony Award and two Academy Award nominations. His work has spanned genres from Shakespearean and modern theatre to popular fantasy and science fiction. He is known to many for roles such as Gandalf in the Lord of the Rings film trilogy and as Magneto in the X-Men films....(Wikipedia)

David Tennant was born David John McDonald in Scotland, to a father who was a Presbyterian minister. Brought up in Bathgate, he attended Paisley Grammar school and was first noticed by Scottish television at a Saturday youth club he attended. He trained at the Royal Scottish Academy of Music and Drama. In 2005, David was cast to play the role of the Doctor in the BBC's new series of "Doctor Who" alongside Billie Piper, after Christopher Eccleston decided to leave.

Paul McGann was born on November 14, 1959 in Liverpool, England. He is an actor, known for Alien³ (1992), Withnail & I (1987) and Queen of the Damned (2002). He has been married to Annie Milner since 1992. They have two children. (IMDb)

Sir Peter Robert Jackson, KNZM is a New Zealand film director, producer, actor, and screenwriter, known for his Lord of the Rings film trilogy, adapted from the novel by J. R. R. Tolkien. He is also known for his 2005 remake of King Kong and as the producer of District 9. He won international attention early in his career with his "splatstick" horror comedies such as Bad Taste and Braindead, before coming to mainstream prominence with Heavenly Creatures...(Wikipedia)

Peter Davison has 30 credits at Criticker, including: Doctor Who, Black Beauty, Doctor Who: Time Crash, Dream Horse and The Five(ish) Doctors Reboot

John Barrowman has 13 credits at Criticker, including: Arrow, De-Lovely, Torchwood, Shark Attack 3: Megalodon and The Five(ish) Doctors Reboot

Sylvester McCoy has 15 credits at Criticker, including: Dracula, Doctor Who, Doctor Who, The Munsters and The Owners

Steven Moffat is a Scottish television writer and producer. Moffat's first television work was the teen drama series Press Gang. His first sitcom, Joking Apart, was inspired by the breakdown of his first marriage; conversely, his later sitcom Coupling was based upon the development of his relationship with television producer Sue Vertue. In between the two relationship-centred shows, he wrote Chalk, a sitcom set in a comprehensive school inspired by his own experience as an English teacher.

Russell T. Davies has 38 credits at Criticker, including: Doctor Who, Years and Years, Torchwood and It's a Sin

Georgia Moffett has 10 credits at Criticker, including: The Five(ish) Doctors Reboot, Doctor Who: Dreamland, Why Didn't They Ask Evans?, The Doctor's Daughter and 96 Ways to Say I Love You

Colin Baker has 22 credits at Criticker, including: Doctor Who, The Five(ish) Doctors Reboot, Dimensions in Time, Fall of Eagles and The Power of the Doctor

Jon Culshaw has 5 credits at Criticker, including: The Five(ish) Doctors Reboot, Churchill: The Hollywood Years, Dead Ringers, Newzoids and Walks with My Dog