"In Memorium James MacArthur 1937-2010 the Original 'Danno'", appeared just before the start of the episode. MacArthur had passed away just a few days before this episode was originally broadcast.
Robert Loggia becomes the first actor to get featured billing (and second actor to appear) in both versions of Hawaii Five-O. In the Original Series ("The Execution File, #11.18), he played a private eye who gunned down pimps as vengeance for enslaving teenagers. In this show, he plays a Navy enlisted man who now works as a tour guide on the USS Missouri.
"Ho'Apono" is Hawaiian for Accept ( Dvd )