Five years after jilting his pregnant fiancée on their wedding day, out-of-shape Dennis decides to run a marathon to win her back.
Tagline:Love. Commitment. Responsibility. There's nothing he won't run away from.
Cast:Ameet Chana, Anna Tolputt, Chris Hollins, David Cann, David Milner, David Walliams, Denis Lewis, Dylan Moran, Floella Benjamin, Gabriel Fleary, Hank Azaria, Harish Patel, Hazel Douglas, Henrietta Clemett, Iddo Goldberg, India de Beaufort, Lorna Gayle, Margaret John, Matthew Fenton, Nevan Finegan, Pandora Colin, Peter Serafinowicz, Ruth Sheen, Simon Day, Simon Lenagan, Simon Pegg, Stephen Merchant, T.R. Bowen, Thandie Newton, Tyrone Huggins