Arrived in the U.S. during the late '40s in order to play the colorful role of "Og", the Leprechaun, in the Broadway musical "Finian's Rainbow". He made over 1,000 appearances in the role, which included the national touring company. Davis and his actress/wife,
Marilyn O'Connor, both headlined the original national touring company. In 2006 he acted (as Finian this time) and directed a Thousand Oaks production (Conejo Players) that included wife Marilyn, daughter
Maripat Davis and grandson Patrick Gordon-Davis.