86-year-old Irving Zisman is on a journey across America with the most unlikely companion: his 8 year-old grandson, Billy.
Johnny Knoxville
Irving Zisman
Jackson Nicoll
Billy Zisman-Muskie
Georgina Cates
Kimmie Zisman
Catherine Keener
Ellie Zisman
Spike Jonze
Gloria
Kamber Hejlik
Doctor
