Inception stars Ellen Page.
Ellen Page . She also appeared in the crime-drama film An American Crime ( 2007 ) ; the drama The Tracey Fragments ( 2007 ) , a role that won her the Vancouver Film Critics Award for Best Actress ; Smart People ( 2008 ) ; the sports-comedy-drama film Whip It ( 2009 ) ; Super ( 2010 ) ; and Inception ( 2010 ) . An ensemble cast is made up of cast members in which the principal actors and performers are assigned roughly equal amounts of importance and screen time in a dramatic production . Inception . The ensemble cast additionally includes Ken Watanabe , Joseph Gordon-Levitt , Marion Cotillard , Ellen Page , Tom Hardy , Dileep Rao , Cillian Murphy , Tom Berenger , and Michael Caine .