Many, many actors both well known and previously mostly unknown. If you refer to the movie "Doctor Who", then it was Paul McGann who played the title role. He is counted as the Eighth in canon but was not the eighth to play that particular character if you count actors like Peter Cushing.
The episode was named 'Voyage of the damned'. It starred David Tennant as the Doctor and guest-starred Kylie Minogue.
BilliePiper
"Tammy and The Bachelor" (1957) starred Debbie Reynolds. "Tammy Tell Me True" (1961) and "Tammy and the Doctor" (1963) starred Sandra Dee.
The Unearthly Child
"Tammy and the Bachelor" (1957) Starred Debbie Reynolds. "Tammy Tell Me True" (1961) Starred Sandra Dee. "Tammy and the Doctor" (1963) Starred Sandra Dee. "Tammy and the Millionaire" (1967) Starred Debbie Watson.
John Barrowman dances very little, although he does dance occasionally. The proof is when John Barrowman starred in Doctor Who.
Julian McMahon
There was a classic story called The Sea Devils. It starred Jon Pertwee as the Doctor, Katy Manning as Jo Grant and Roger Delgado as the Master. More details are available on the BBC's website.
Will Smith starred in I Robot.
the brian keith show. but my dad worked on the show and they called little people.
Lily Cole has starred in movies such as Snow White and the Huntsman, Confession of a Child of the Century, The Moth Diaries, There Be Dragons and The Imaginarium of Doctor Parnassus. She also appeared in the Doctor Who television series in 2011.
Jake Gyllenhaal starred in jarhead