Bob Hoskins would alleviate stress on-set by singing various versions of the Lionel Richie hit "Hello" by including the lyrics "Hello? Is it Smee you're looking for?"
When the Bannings fly to the United Kingdom for Christmas, the Pan Am captain's announcement is voiced by Dustin Hoffman. This is a nod to the classic tradition of dual-role casting from the original Peter Pan play, wherein Captain Hook and Darling patriarch Mr. George Darling are played by the same actor.
Robin Williams became best friends with director Steven Spielberg while making this movie. Reportedly, after Williams' death, Spielberg decided to watch this movie out of remembrance, but couldn't finish it because he couldn't stop crying for several hours.
Maggie Smith, who was 56 at the time of filming, was aged by make-up to play 92-year-old Granny Wendy.
According to the 2019 bio of Carrie Fisher by Sheila Weller, first assistant director Bruce Cohen reported that Fisher was mainly hired to polish Tinkerbell's lines, though she did other things, as well. One exchange of dialogue Cohen credits to Fisher are the lines when Tinkerbell says, "You know that place between sleep and awake? That place where you still remember dreaming? That's where I'll always love you" ... "That's where I'll be waiting."
George Lucas, Carrie Fisher: the kissing couple on the bridge who begin to float when some fairy dust lands on them as Tinkerbell takes the unconscious Peter back to Neverland.
Jimmy Buffett: One of the pirates who attempts to steal Peter's shoes when he first arrives in Neverland.
Phil Collins: the main inspector, when Peter Pan finds his kids kidnapped and talks with the police inspectors.