 When Carl Denham and his assistant is in the car talking about which  actresses can fit in a size 4, Carl says "Fay’s a size 4." His  assistant says "Yes but she’s doing a movie with RKO". The name of  the actress who played Ann in the original was Fay Wray (qv), and  RKO studios made the first _King Kong (1933)_ (qv) film.