Storyline:
High-strung father-to-be Peter Highman is forced to hitch a ride with aspiring actor Ethan Tremblay on a road trip in order to make it to his child's birth on time.

Cast:

Robert Downey Jr. Peter Highman

Zach Galifianakis Ethan Tremblay

Michelle Monaghan Sarah Highman

Jamie Foxx Darryl

Juliette Lewis Heidi