Marley Eve Shelton (born April 12, 1974) is an American film and television actress. Shelton began her career with supporting roles in the films Grand Canyon (1991), appeared in the film The Sandlot (1993) and appeared in Trojan War (1997), co-starring Jennifer Love Hewitt.

Shelton is known for acting in films like Pleasantville (1998), starring Reese Witherspoon and Tobey Maguire, she appeared in Never Been Kissed (1999), along with Drew Barrymore, starred in Valentine (2001), appeared in Sin City (2005) and acted in the double-feature film directed by Quentin Tarantino, Grindhouse (2007). Recently starred in the thriller film A Perfect Getaway and starred (Untitled) (2009).

Shelton was born in Los Angeles, California, the daughter of Carol (née Stromme), a teacher and former singer, and Christopher Shelton, a commercial director and producer. 

She has three sisters: Samantha (who is also an actress), Koren, and Erin. Shelton was raised in Eagle Rock and attended Eagle Rock High School. She was a varsity cheerleader and was voted "Prom Queen". She went to the senior prom with her then-boyfriend Nicholas Brendon.

Shelton began acting in her late teens, and appeared in several television movies and films throughout the 1990s, including the 1993 film, The Sandlot, playing the lifeguard, Wendy Peffercorn, and 1997's fantasy film Warriors of Virtue, playing Princess Elysia. Shelton has since appeared in many films aimed at a teenage audience, including 1999's Never Been Kissed and 2001's Valentine, Sugar & Spice and Bubble Boy. Most of her other roles in the 2000s were in lower-budget, independent films, with the exception of her supporting role in 2005's Sin City. Shelton was also originally cast in the role of Annabeth Schott on the television series, The West Wing, but the role was eventually played by Kristin Chenoweth.

Shelton had a prominent role as Dr. Dakota Block in the Robert Rodriguez/Quentin Tarantino-directed film Grindhouse, appearing in both of the film's segments as the same character.

In October 2008, CBS's new series Eleventh Hour, based on the British TV series of the same name, premiered with Shelton appearing as FBI Special Agent Rachel Young of the executive protection detail. The show, however, was canceled after one season.

Shelton married pharmacy owner Beau Flynn in July of 2001. The couple announced they were expecting their first child on March 13th, 2009. They welcomed daughter West on Sunday, September 6th, 2009 in Los Angeles, California.