Wallace as Lincoln Loud

Lady Campanula Tottington as Leni Loud

Wendolene Ramsbottom as Lori Loud

Piella Bakewell as Luna Loud

Felicity Flitt as Lynn Loud

Fluffles as Luan Loud

Lily Hackerby as Lola Loud

Prudence Flitt as Lisa Loud

Gromit as Charles

Mr. Growbag as Bruno

Albert Mackintosh as Flip

Wallace's Dad as Lynn Loud Sr.

Wallace's Mom as Rita Loud

Feathers McGraw as Chandler McCann