Question: Ultramarines: A Warhammer 40,000 Movie includes the voice actor who trained at what London academy?

Context paragraphs:
Armies of Warhammer: Armies of Warhammer are components of the table-top games Warhammer Fantasy Battle and Warhammer 40,000.  The armies have been defined into a separate "army list," and they are described in more detail in the Warhammer Army Book or Warhammer 40,000 Codex.  Players of either game, or their spin-offs, have a wide variety of army choices and each army can be customized to suit a particular playing style.  All games are produced by Games Workshop.

Warhammer 40,000: Rogue Trader: Warhammer 40,000: Rogue Trader is the first edition rule/source book for the Warhammer 40,000 miniature wargame by Games Workshop.  The subtitle refers to a particular class of character within the Warhammer 40,000 universe.

Warhammer 40,000: Space Marine: Warhammer 40,000: Space Marine is a third-person shooter game developed by Relic Entertainment and published by THQ.  It was released for Microsoft Windows, PlayStation 3 and Xbox 360 on September 6, 2011, in North America and September 9, 2011, in Europe.  The game takes place in Games Workshop's "Warhammer 40,000" universe and features the Ultramarines chapter.  Its gameplay focuses on a hybrid shooting and melee combat model.  It was Relic's first game released on a PlayStation platform (their first console release in general was 2006's "The Outfit)".

Warhammer 40,000: Warhammer 40,000 (informally known as Warhammer 40K, WH40K or simply 40K) is a tabletop miniature wargame produced by Games Workshop, set in a dystopian science fantasy universe.  "Warhammer 40,000" was created by Rick Priestley in 1987 as the futuristic companion to "Warhammer Fantasy Battle", sharing many game mechanics.  Expansions for "Warhammer 40,000" are released periodically which give rules for urban, planetary siege and large-scale combat.  The game is in its eighth edition, which was released on June 17, 2017.

Terence Stamp: Terence Henry Stamp (born 22 July 1938) is an English actor.  After training at the Webber Douglas Academy of Dramatic Art in London he started his acting career in 1962.  He has appeared in more than 60 films.  His performance in the title role of "Billy Budd", his film debut, earned him an Academy Award nomination for Best Supporting Actor and a BAFTA nomination for Best Newcomer.

Warhammer 40,000: Storm of Vengeance: Warhammer 40,000: Storm of Vengeance is a real-time strategy video game developed and published by Eutechnyx.  It was released for Microsoft Windows, Android and iOS.  "Warhammer 40,000: Storm of Vengeance" was set in the "Warhammer 40,000" universe, it follows the Dark Angels, commanded by Grand Master Belial, and the Bad Moons, commanded by Ork Warlord Ghazghkull Thraka on the planet Piscina IV.  "Warhammer 40,000: Storm of Vengeance" was released on; 3 April 2014 (Steam), 23 April 2014 (Google Play) and 1 May 2014 (iOS).

Warhammer 40,000: Chaos Gate: Warhammer 40,000: Chaos Gate is a video game set in the gothic science fiction backdrop of the Games Workshop game system "Warhammer 40,000".  In it, players take command of a number of squads of Ultramarines under the leadership of Captain Kruger.  They are pitted against the armies of the Chaos Lord Zymran, who commands the traitor marines of the Word Bearers and their daemonic allies.  In the Warhammer 40,000 background, the Ultramarines and Word Bearers are ancient enemies from when they fought during the Horus Heresy.

Warhammer 40,000 Apocalypse: Warhammer 40,000 Apocalypse is an expansion to the Warhammer 40,000 tabletop miniatures wargame by the British gaming company Games Workshop.  It contains rules which allow players to field massive armies the likes of which are unwieldy using the basic Warhammer 40,000 ruleset.  It also allows players to field units that are not available in normal Warhammer 40,000 games, such as large super-heavy tanks and robot-like titans, some of which are almost a foot tall.

Epic (game): Epic is a tabletop wargame set in the fictional "Warhammer 40,000" universe.  Whereas "Warhammer 40,000" involves small battles between forces of a few squads of troops and two or three vehicles, Epic features battles between armies consisting of dozens of tanks and hundreds of soldiers.  Due to the comparatively larger size of the battles, "Epic" miniatures are smaller than those in "Warhammer 40,000", with a typical human being represented with a high figure, as opposed to the 28mm minis used in "Warhammer 40,000".

Ultramarines: A Warhammer 40,000 Movie: Ultramarines: A Warhammer 40,000 Movie is a 2010 science fiction CGI film set in Games Workshop's fictional "Warhammer 40,000" universe and based on the Ultramarines Chapter of the Space Marines.  Terence Stamp, Sean Pertwee, and John Hurt head the cast of voice actors, and the screenplay was written by Black Library author Dan Abnett.

Supporting paragraphs: Ultramarines: A Warhammer 40,000 Movie Terence Stamp
Answer: Webber Douglas Academy of Dramatic Art