The Book of Love

Jason Sudeikis

Henry Herschel

Maisie Williams

Millie Pearlman

Jessica Biel

Penny Herschel

Mary Steenburgen

Julia Mureaux

Orlando Jones

Cornelius 'Dumbass' Thibadeaux

Paul Reiser

Wendell

Joshua Mikel

Thor Heyerdahl

Jayson Warner Smith

Uncle Glen

Richard Robichaux

Pascal

Russ Russo

David Pearlman

Christopher Gehrman

William Willis

Wendy Miklovic

William Willis' Wife

George Wilson

Dumbass' Dad

Cailey Fleming

9 Year Old Millie

Natalie Mejer

Doctor

Sheldon Frett

Haitian Sailor

Madeleine Woolner

Secretary

Darnekia Dowl

Caterer

Ian Belgard

Pascal's Son (uncredited)