Trailer
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 | Chris Pratt as Emmet Brickowski / Rex Dangervest (voice) |
 | Elizabeth Banks as Lucy "Wyldstyle" (voice) |
 | Will Arnett as Bruce Wayne / Batman (voice) |
 | Tiffany Haddish as Queen Watevra Wa'Nabi (voice) |
 | Stephanie Beatriz as General Mayhem / Sweet Mayhem (voice) |
 | Alison Brie as Unikitty / Ultrakatty (voice) |
 | Nick Offerman as MetalBeard (voice) |
 | Charlie Day as Benny the Spaceman (voice) |
 | Channing Tatum as Clark Kent / Superman (voice) |
 | Jason Momoa as Arthur Curry / Aquaman (voice) |
 | Cobie Smulders as Diana Prince / Wonder Woman (voice) |
 | Jonah Hill as Hal Jordan / Green Lantern (voice) |
 | Jadon Sand as Finn |
 | Brooklynn Prince as Bianca |
 | Will Ferrell as President Business (voice) / Dad |
 | Ben Schwartz as Banarnar (voice) |
 | Noel Fielding as Balthazar (voice) |
 | Richard Ayoade as Ice Cream Cone (voice) |
 | Ike Barinholtz as Lex Luthor (voice) |
 | Will Forte as Abraham Lincoln (voice) |
 | Ralph Fiennes as Alfred Pennyworth (voice) |
 | Jimmy O. Yang as Enthusiastic Zebra (voice) |
 | Jorma Taccone as Larry Poppins (voice) |
 | Todd Hansen as Gandalf / Swamp Creature (voice) |
| Doug Nicholas as Surfer Dave / Chainsaw Dave / Purgatory Dave (voice) |
 | Liam Knight as Duplo / Heart / Star / Sewer Babies (voice) |
| Emmett Mitchell as Duplo / Duplo Foreman / Duplo Wonder Woman (voice) |
| Sawyer Jones as Duplo / Heart / Star (voice) |
| Graham Miller as Duplo / Young Finn (voice) |
| Cora Miller as Duplo / Star (voice) |
| Ollie Mitchell as Duplo (voice) |
 | Mike Mitchell as Guard / Octopus / Harmony Town Citizen / Announcer / Sherry / Apocalypseburg Warrior (voice) |
 | Christopher Miller as Horse / Chocolate Bar / Plantimals / Paper Boy / Chad (voice) |
 | Margot Rubin as Harley Quinn/ Susan / Mermaid / Wonder Woman Mini Doll / Panda (voice) |
| Emily Nordwind as Cleopatra (voice) |
 | Chris McKay as Larry the Barista (voice) |
 | Trisha Gum as Velma (voice) |
| Ryan Halprin as Dolphin Clock / Apocalypseburg Citizen (voice) |
| Lauren White as Apocalypseburg Citizen (voice) |
 | Maya Rudolph as Mom |
 | Bruce Willis as Bruce Willis |
 | Gary Payton as Gary Payton |
| Sheryl Swoopes as Sheryl Swoopes |
| Writing | |
| Phil Lord | Writer |
Production | |
| Phil Lord | Producer |
| Christopher Miller | Producer |
Writing | |
| Christopher Miller | Writer |
Directing | |
| Mike Mitchell | Director |
Writing | |
| Jared Stern | Screenplay |
| Raphael Bob-Waksberg | Writer |
| Phil Lord | Screenplay |
| Christopher Miller | Screenplay |
| Michelle Morgan | Story |
Production | |
| Will Allegra | Executive Producer |
| Matthew Ashton | Executive Producer |
| Christopher DeFaria | Executive Producer |
| Ryan Halprin | Co-Producer |
| Roy Lee | Producer |
| Dan Lin | Producer |
| Chris McKay | Executive Producer |
| Kara Lord | Executive Producer |
| John Powers Middleton | Executive Producer |
| Greg Silverman | Executive Producer |
| Courtenay Valenti | Executive Producer |
| Jill Wilfert | Executive Producer |
Art | |
| Grant Freckelton | Production Design |
Editing | |
| Emma Marie DuPell | Assistant Editor |
Production | |
| Sharon Taylor | Production Manager |
Visual Effects | |
| Sebastian Ampuero | Visual Effects |
| Elana Andersen | Visual Effects |
| Garry Baker | Visual Effects |
| James Bishop | Visual Effects |
| Rosalynd Clarke | Visual Effects |
| Drew Collins | Visual Effects |
| Luke Emrose | Visual Effects |
| Shane Goddard | Visual Effects |
| Samson Heffernan | Visual Effects |
| Steven Lees-Smith | Visual Effects |
| Josh Lewis | Visual Effects |
| Daniel Lopez | Visual Effects |
| Patrick Madden | Visual Effects |
| Kevin Ng | Visual Effects |
| Eugene Purugganan | Visual Effects |
| Shayne Rodway | Visual Effects |
| Grant Street | Visual Effects |
| César Sáez | Visual Effects |
| Mark Theriault | Visual Effects |
| Radu Vintila | Visual Effects |
| Jeremy Webber | Visual Effects |
| Daniel Powter | Visual Effects |
| Emily Dean | Animation |
| Heiko Von Drengenberg | Animation |
| Nathan Fitzgerald | Animation |
| Sasha Schotzko-Harris | Animation |
Writing | |
| Michelle Morgan | Screenplay |
| Raphael Bob-Waksberg | Screenplay |
Visual Effects | |
| Heiko Drengenberg | Animation |
Sound | |
| Mark Mothersbaugh | Original Music Composer |
Visual Effects | |
| Trisha Gum | Animation Director |
