Cast[]
- Larry Koopa as Emmet Brickowski
- Larry is also Finn
- Wendy O Koopa as Wyldstyle
- Little Wendy as Bianca
- Roy Koopa as Batman
- Mario as Rex Dangervest
- Iggy as Benny
- Cat Lemmy as Unikitty/Ultrakitty
- Boom Boom as MetalBeard
- Bowser Jr as President Business
- Dry Bowser Jr as Ghost Vitruvius
- Koopa troopas as Members of the Justice League
- Princess Peach as Queen Watevra Wa'Nabi
- Little Peach is General Sweet Mayhem
- Koopa Troopas as other master builders