G. I. Joe's Sienna Miller, American-born British actress

  Sienna Miller                                                      (AP Photo/Shizuo Kambayashi)

G.I. Joe: The Rise of Cobra, co-starring with Channing Tatum, is a live action film with "fighting actors" - an adaptation of the G.I. Joe: A Real American Hero toy franchise, to be released on August 7, 2009.

Sienna Rose Miller is a BAFTA nominated American-born British actress, model, and fashion designer. 

Miller is best known for her roles in Alfie, Factory Girl, and The Edge of Love. After attending boarding school Sienna Miller later studied for a year at the Lee Strasberg Institute in New York City.

In her early career, Miller performed in several amateur New York City plays - The Striker, Independence, and Cigarettes & Chocolate.

I`ve wanted to be an actress for as long as I can remember, and I can say I was almost born in the theatre. My mum went into labour while she was watching the Nut-Cracker Suite in New York - apparently I was kicking like mad." - Sienna Miller

Miller sits down with Hannah Storm to discuss her portrayal of '60s "It Girl" and Andy Warhol muse Eddie Sedgwick in the new movie "Factory Girl."

Films High Speed and The Ride (aka Joy-Rider) were shot in 2002. The following year Miller had a recurring role in the TV series Keen Eddie. In 2004 she had supporting roles in the remake of the 1966 film Alfie starring Jude Law in 2004, next was Layer Cake with Daniel Craig.  She had a variety of roles in film and on Boardway up until current day.  The Edge of Love (2008) and After Miss Julie, on Broadway (2009).

Also in 2009, Miller starred in the Comic Relief spoof of the film Mamma Mia! alongside English comediennes Dawn French and Jennifer Saunders, in which she played Sophie.  Most recently Miller is The Baroness in G.I. Joe: The Rise of Cobra starring Channing Tatum, Dennis Quaid...