1. Sean Bean in Elder Scrolls IV: Oblivion

Known as the guy who dies in everything, the Game of Thrones star voiced Emperor Martin Septim in Elder Scrolls IV: Oblivion. By the next Elder Scrolls installment, his character was — yep — dead.

2. Kristen Bell in Assassin’s Creed

The star of Veronica Mars is a self-proclaimed nerd who lent her voice to the Assassin’s Creed franchise as Lucy.

3. Billy Bob Thornton in Deadly Creatures

The Sling Blade actor has one video game credit to his name, the 2009 title Deadly Creatures, which also starred the late Dennis Hopper.

4. Willem Dafoe in Beyond: Two Souls

The Green Goblin in the Spider-Man movies, Dafoe also voiced Norman Osborn for the companion video games. Another video game gig: the interactive thriller Beyond: Two Souls.

5. Elijah Wood in The Legend of Spyro

He's not only Frodo Baggins, but also a featured voice in a dozen video games, such as the character Spyro in The Legend of Spyro.

6. Ellen Page in Beyond: Two Souls

Juno and Inception actress Ellen Page joined Willem Dafoe in Beyond: Two Souls.

7. John Goodman in Rage

The voice of everyone’s favorite monster, Sulley in Monsters Inc., Goodman most recently voiced Dan Hagar in the game Rage.

8. Mark Hamill in Batman: Arkham Asylum

Luke Skywalker himself became one of the most renowned voice actors in Hollywood. Appearing in more than 30 games, Hamill is most famous for voicing The Joker in Batman: Arkham Asylum.

9. Ice Cube in Call of Duty: Black Ops

The multitalented rapper-turned-actor gave his voice to the 2010 edition of Call of Duty: Black Ops, as Joseph Bowman.

10. Kiefer Sutherland in Metal Gear Solid V

The man behind Jack Bauer has voiced parts in 24: The Game and the Call of Duty franchise, but his biggest game gig could be the iconic Solid Snake in Metal Gear Solid V.

11. Ray Liotta in Grand Theft Auto: Vice City

The voice of Tommy Vercetti in Grand Theft Auto: Vice City? It just so happens to be Goodfellas star Ray Liotta.

12. Liam Neeson in Fallout 3

Neeson has Taken a liking (see what we did there?) to the video game medium as James in Fallout 3.

13. Gary Oldman in Call of Duty: Black Ops

Oldman has voiced characters in two Call of Duty games with Kiefer Sutherland and Ice Cube, and also joined Elijah Wood in three of the Spyro games.

14. Samuel L. Jackson in Grand Theft Auto: San Andreas

Jackson’s boisterous voice was perfect for the villainous role of Officer Tenpenny in Grand Theft Auto: San Andreas.

15. Seth Green in Mass Effect

Green's most famous video game role: the fragile pilot Joker in the Mass Effect trilogy.

16. Snoop Dogg in True Crime: Streets of L.A.

Snoop lent his silky smooth voice to True Crime: Streets of LA as … himself.

17. Patrick Stewart in Castlevania

The narrator of Lego Universe has done more than 20 video games, including the role of Zobek of the Castlevania franchise. That’s what happens when you’re both Professor Charles Xavier and Captain Jean-Luc Picard, and you have a ridiculously awesome voice.

18. George Takei in Command & Conquer: Red Alert 3

The iconic Mr. Sulu has voiced some Star Trek games, of course. But he’s also the voice of Emperor Yoshiro in Command & Conquer: Red Alert 3

19. Christopher Walken in Ripper

Is he the hero or the villain? Walken is great at playing both, so it's no wonder he was cast as the good guy (or is it bad guy?) in Ripper.