‘Patty Duke Show’ co-star dead at 81

From 1963 to 1966, Applegate starred in 88 episodes of "The Patty Duke Show" as Richard Harrison, the boyfriend of Patty Duke's American character, Patty Lane. Duke played two roles in the show — Patty, from Brooklyn Heights; and Cathy Lane, her identical cousin from England. Harrison reprised his role for a 1999 reunion movie, "The Patty Duke Show: Still Rockin' in Brooklyn Heights."