Who directed the film "What Happens in Vegas" that Kryten Ritter had a role in?
Tom Vaughan
Title: Krysten Ritter
Passage: Krysten Alyce Ritter (born December 16, 1981) is an American actress and former model.  Ritter is known for her roles as lead superheroine Jessica Jones on the Marvel Cinematic Universe series "Jessica Jones" and "The Defenders", Jane Margolis on the AMC drama series "Breaking Bad", and Chloe on the ABC comedy series "Don't Trust the B---- in Apartment 23".  She has appeared in films such as "What Happens in Vegas" (2008), "27 Dresses" (2008), "Confessions of a Shopaholic" (2009), "She's Out of My League" (2010), "Veronica Mars" (2014), and "Big Eyes" (2014).  She has also appeared in roles "Gravity", "'Til Death", "Veronica Mars", and "The Blacklist".
Title: What Happens in Vegas
Passage: What Happens in Vegas is a 2008 American comedy film directed by Tom Vaughan, written by Dana Fox and starring Cameron Diaz and Ashton Kutcher.  The title is based on the Las Vegas marketing catchphrase "What happens in Vegas, stays in Vegas."
Title: Stanley's Dinosaur Round-Up
Passage: Stanley's Dinosaur Round-Up is a 2006 direct-to-DVD animated adventure film directed by Jeff Buckland and produced by Playhouse Disney and Cartoon Pizza.  It is a feature-film for the animated television series "Stanley".  This film is notable for being the final film role of actor John Ritter who lends his voice to Great Uncle Stew; Ritter died shortly after recording his lines in September 2003 from aortic dissection, two years before the film's release.  The film is dedicated in his memory.
Krysten Ritter What Happens in Vegas