Five years after jilting his pregnant fiancée on their wedding day, out-of-shape Dennis decides to run a marathon to win her back.
Simon Pegg
Dennis
Thandiwe Newton
Libby
Hank Azaria
Whit
Dylan Moran
Gordon
Harish Patel
Mr. Goshdashtidar
India de Beaufort
Maya Goshdashtidar
Matthew Fenton
Jake
Simon Day
Vincent
