Henry Winkler Shares “Happy Days” Throwback Photo Full of Now-Iconic Faces

Henry Winkler Shares “Happy Days” Throwback Photo Full of Now-Iconic Faces

The picture includes Robin Williams, Penny Marshall and Ron HowardHenry Winkler; (L-R): Ron Howard, Cindy Williams, Garry Marshall, Robin Williams, Penny Marshall, Pam Dawber and Henry Winkler Robin L Marshall/Getty;Henry Winkler/instagramNEED TO KNOWHenry Winkler shared a throwback pic of himself with a number of iconic Happy Days alumsThe photo featured Robin Williams, Ron Howard, Penny Marshall and more starsWinkler famously played The Fonz i…