Trivia: Edna Mode's character was inspired by dress designer Edith Head and actress Linda Hunt.
Trivia: The name of the island that Mr. Incredible is summoned to, Nomanisan Island, is a reference to the well-known book title: "No Man is an Island", written by Thomas Merton, in turn a reference to John Donne's Meditation XVII, 'The Bell': "No man is an island, entire of itself..."
Answer: IMDb just says additional voices, nothing specific.
Shannon Jackson