Juno is a 2007 Canadian-American comedy-drama film directed by Jason Reitman and written by Diablo Cody. Ellen Page stars as the title character, an independent-minded teenager confronting an unplanned pregnancy and the subsequent events that put pressures of adult life onto her. Michael Cera, Jennifer Garner, Jason Bateman, Allison Janney, and J. K. Simmons also star. Filming spanned from early February to March 2007 in Vancouver, British Columbia. It premiered on September 8 at the 2007 Toronto International Film Festival, receiving a standing ovation.