Ariel Geltman "Ari" Graynor (born April 27, 1983) is an American actress.

Graynor was born in Boston, Massachusetts. She attended Buckingham Browne & Nichols, a private school in Cambridge, Massachusetts, and Trinity College in Hartford, Connecticut. She first came to prominence as 'Caitlin Rucker' on HBO's The Sopranos. Her film credits include An American Crime (2007), which premiered in January 2007 at the Sundance Film Festival.

She also appeared early in the second season of UPN's Veronica Mars as the daughter of a bus driver. She made her Broadway debut as 'Alison' in 2005's Brooklyn Boy after appearing in the world premiere at South Coast Repertory. She also appeared in The Little Dog Laughed.

Graynor shaved her head for her role as Elvina a pop star in CSI: Miami, and is currently a recurring guest star on the Fox series Fringe playing Agent Olivia Dunham's younger sister, Rachel.

In October, 2009, Graynor appeared in Whip It, a comedy film directed by Drew Barrymore and written by Shauna Cross, based on Cross' young adult novel Derby Girl.
[edit] Filmography

* The Sopranos (March–May, 2001) as Caitlin Rucker
* Law & Order: SVU: "Damaged" (2003) as Missy Kurtz
* Mystic River (2003) as Eve Pigeon
* Book of Love (2004) as Naomi
* Imaginary Heroes (2004) as Jenny
* Bereft (2004) (TV) as Louise
* Game 6 (2005) as Laurel
* The Great New Wonderful (2005) as Lisa Krindel
* Veronica Mars: "Driver Ed" (2005) as Jessie Doyle
* For Your Consideration (2006) as Young PA
* An American Crime (2007) as Paula Baniszewski
* CSI: Miami: "Rush" (2007) as Elvina
* Turn the River (2007) as Charlotte
* Numb3rs: "Tabu" (2007) as Ella Peirce
* Blues (2008) as Tara
* Nick and Norah's Infinite Playlist (2008) as Caroline
* Fringe (2009—) as Rachel Dunham
* Whip It (2009) as Eva Destruction
* Youth in Revolt (2009) as Lacey