Emmet Brickowski / Rex Dangervest (voice)
Wyldstyle / Lucy (voice)
Batman (voice)
Queen Watevra Wa'Nabi (voice)
General Mayhem / Sweet Mayhem (voice)
Unikitty / Ultrakatty (voice)
MetalBeard (voice)
Benny (voice)
Mom
President Business / Dad
Finn
Bianca
Superman (voice)
Green Lantern (voice)
Ice Cream Cone (voice)
Banarnar (voice)
Balthazar (voice)
Aquaman (voice)
Wonder Woman (voice)
Lex Luthor (voice)
Alfred Pennyworth (voice)
Abraham Lincoln (voice) (as Orville Forte)
Enthusiastic Zebra (voice)
Larry Poppins (voice)
Bruce Willis (voice)
Gary Payton (voice)
Sheryl Swoopes (voice)
Gandalf / Swamp Creature (voice)
Surfer Dave / Chainsaw Dave / Purgatory Dave (voice)
Duplo / Heart / Star / Sewer Babies (voice)
Duplo / Duplo Foreman / Duplo Wonder Woman (voice)
Duplo / Heart / Star (voice) (as Sawyer Jones)
Duplo / Young Finn (voice)
Duplo / Star (voice)
Duplo (voice)
Guard / Octopus / Harmony Town Citizen / Announcer / Sherry / Apocalypseburg Warrior (voice)
Horse / Chocolate Bar / Plantimals / Paper Boy / Chad (voice)
Susan / Mermaid / Harley Quinn / Wonder Woman Mini Doll / Panda (voice)
Cleopatra (voice)
Larry the Barista (voice)
Velma (voice)
Dolphin Clock / Apocalypseburg Citizen (voice)
Apocalypseburg Citizen (voice)