Here is a surprising one... I would have figured this would have been a 1... 2 tops.
Johnny Carson's Bacon number is 4
Johnny Carson and Connie Francis appeared in Looking for Love.
Connie Francis and Harve Presnell appeared in When the Boys Meet the Girls.
Harve Presnell and Frances Lee McCain appeared in Patch Adams.
Frances Lee McCain and Kevin Bacon appeared in Footloose.