Bad Grandpa .5 gives you a whole new perspective on the world of Irving Zisman with bonus scenes and pranks also featuring Spike Jonze as "Gloria" and Catherine Keener as Irving's wife "Ellie", plus a look at the evolution of Johnny Knoxville's naughty alter-ego, the makeup effects, and a behind-the-scenes peek at the idiocy it takes to make a hidden camera movie in public.
Johnny Knoxville
as Irving Zisman / Self
Spike Jonze
as Gloria / Self
Jackson Nicoll
as Billy
Catherine Keener
as Ellie / Self
Georgina Cates
as Kimmie
Zia Harris
as Chuck
Jeff Tremaine
as Self
Trip Taylor
as Self
Dimitry Elyashkevich
as Self
J.P. Blackmon
as JxPx Blackmon
Rick Kosick
as Self
Jack Polick
as Self