Megan (Kiera Knightley) is a 28-year old woman stuck in a permanent state of adolescence. Unable to find her career calling, she is still hanging out with the same friends, and living with her high school boyfriend. When an unexpected marriage proposal sends her into a panic, she crosses paths with 16 year old, Annika (Chole Grace Moretz) and must finally learn to navigate her own future.
Keira Knightley, Chlöe Grace Moretz, Sam Rockwell, Mark Webber, Kaitlyn Dever, Ellie Kemper, Jeff Garlin, Gretchen Mol, Eric Riedmann, Daniel Zovatto, Sara Coates, Kirsten deLohr Helland, Dylan Arnold, Louis Hobson, Mari Nelson, Jodee Thelen, Amy Thone, Zoe McLane, Jasmin Brown, David Brown-King, Bhama Roget, Hannah Horton, Joey Ally, Omar Silva, Tony Doupe, Aaron Washington, Kyle Love, Basil Harris, Rocki DuCharme, Rachelle Henry, Kevin Seal, Dylan Smith, Steve Snoey, Simon Hamlin
Steve Golin, Rosalie Swedlin, Alix Madigan-Yorkin, Myles Nestel, Craig Chapman, Lisa Wilson, Paul Green, Jennifer Roth, Shawn Simpson, Gordon Bijelonic, Lacey Leavitt, Peggy Taylor, Zubin Nagpal, Kyle Jackson, Dean Gavoni, Stuart Brown