First role in the film adaptation of "Orlando"

Played a door keeper in "Les Misérables"

Played an English Judge in "The Messenger: The Story of Joan of Arc"

Starred in the London West End comedy "The Play What I Wrote," directed by Kenneth Branagh

Voiced Dobby, the house-elf, in "Harry Potter and the Chamber of Secrets"

Appeared in "Finding Neverland" starring Johnny Depp and directed by Marc Forster

Cast as Robert Cecil, the first Earl of Salisbury, in the HBO/Channel 4 production "Elizabeth I"

Starred in the title role in the Truman Capote biopic "Infamous"

Cast in John Curran's adaptation of the Somerset Maugham novel, "The Painted Veil"

Cast in "Amazing Grace," Michael Apted's film about the slave trade in 19th century Britain

Co-starred in Stephen King's "The Mist"

Portrayed former Deputy Chief of Staff Karl Rove in Oliver Stone's controversial film "W."

Portrayed Swifty Lazar, the legendary talent agent and deal-maker in the film adaption of Peter Morgan's "Frost/Nixon"