Some of the biggest names in the business will take part in the film, adding their insights, their stories and their affection for these two titans of comedy.
The families of Don Rickles and Bob Newhart.
Robert DeNiro Billy Crystal Chris Rock
Clint Eastwood Alan Arkin John Stamos
Tracy Morgan Tina Fey Amy Poehler
Carol Burnett Dick VanDyke Carl Reiner
Norman Lear Will Farrell Jim Parsons
Peter Scolari Steve Lawrence Jay Leno
And of course the film will be narrated by Bob himself.