Tomas Arana is an American actor. He appeared in the films The Hunt for Red October (1990), The Bodyguard (1992), L.A. Confidential (1997), Gladiator (2000), The Bourne Supremacy (2004), Limitless (2011) and The Dark Knight Rises (2012).

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Arana has played leading and supporting roles in over 30 European productions including films by directors Lina Wertmüller, Liliana Cavani, Carlo Verdone and Michele Soavi, and with the Japanese director Koreyoshi Kurahara in the Toho production See You. He appeared as Quintus in Ridley Scott's Gladiator, Michael Bruening in Curtis Hanson's L.A. Confidential and in the second film of the Bourne series, The Bourne Supremacy.

Arana also played the GRU sleeper agent Loginov in the 1990 film adaptation of Tom Clancy's novel The Hunt for Red October, the would-be killer in 1992's The Bodyguard starring Kevin Costner and Whitney Houston, a Belarusian resistance leader in Edward Zwick's 2008 film Defiance, and The Man In The Tan Coat in 2011's Limitless alongside Bradley Cooper and Robert De Niro. He appeared in the third installment of Christopher Nolan's Batman trilogy, The Dark Knight Rises, as Bruce Wayne's lawyer. In 2013, Arana appeared in the miniseries Crimes of the German television broadcaster ZDF. In 2014, Arana appeared as a Kree ambassador in Guardians of the Galaxy.^{[citation needed]}

In theatre, Arana was a producer and leading actor in the theatre company Falso Movimento, based in Naples, Italy. Under Arana and artistic director Mario Martone, Falso Movimento won many awards including Best Play of the Year and Best Set Design, as well as the Mondello Prize.^{[citation needed]}