Two of the leading female actors - Asin and Jacqueline's screen names are Heena and Bobby respectively, which are the names of the films Rishi Kapoor, who plays Asin's father in this film, acted in and were produced and directed by his father, Raj Kapoor. Heena was jointly directed by Rishi Kapoor and Randheer Kapoor (both of whom who play principal roles in Housefull 2), after the death of their legendary father, Raj Kapoor.
When Asin, Akshay, John and Jacqueline are on cruse, you can clearly see that Asin is wearing high hill sandal. but when they land on that Island, Asin is with flat footwear.