- Matt Danner as Kermit the Frog
- Melanie Harrison as Miss Piggy
- Eric Bauza as Fozzie Bear
- Ben Diskin as Gonzo
- Dee Bradley Baker as Animal
- Jessica DiCicco as Summer Penguin
- Jenny Slate as Miss Nanny
- Rachel Bloom as Dot the Dragon
- Golden Globe® Award-winner Rachel Bloom (Crazy Ex-Girlfriend) guest stars as Dot the dragon.
- Footage from Indiana Jones and the Raiders of the Lost Ark is used during the cave sequence.
- Moral: Face your fears.