The tattoo Eddie would go is in reference to Edward Ryon Makuahanai Aikau Hawaiian an surfer and legend. First lifeguard at Waimea Bay on the island of Oahu. He was lost at sea going for help for the crew of the Hokule outrigger canoe that had capsized 12 miles south of the Island or Molokai
Zoe McLellan guest stars as a patient who is a lawyer, which is possibly a reference to her role as Navy lawyer Lt. Jennifer Coates in JAG.