'Funny People' stars Adam Sandler, Seth Rogen, and Leslie Mann interview each other about working with Judd Apatow, their early days doing stand-up comedy, and how Seth Rogen keeps his hair soft. 'Funny People' stars Adam Sandler, Seth Rogen, and Leslie Mann interview each other about working with Judd Apatow, their early days doing stand-up comedy, and how Seth Rogen keeps his hair soft.