Harmidom

Cristina Pucelli

Luan Loud (voice)

Liliana Mumy

Leni Loud (voice)

Nika Futterman

Luna Loud (voice)

Jessica DiCicco

Lynn Loud Jr. / Lucy Loud (voice)

Grant Palmer

Lincoln Loud (voice)

Caleel Harris

Clyde McBride (voice)

Grey DeLisle

Lola Loud / Lana Loud / Lily Loud (voice)

Lara Jill Miller

Lisa Loud (voice)

Catherine Taber

Lori Loud (voice) / Lori Loud / Computer Voice (voice) / Lori Loud / Female Voice (voice) / Lori Loud / Terrifying Zombie (voice)

Brec Bassinger

Margo (voice) / Margo Roberts (voice)

Brian Stepanek

Lynn Loud Sr. (voice) / Lynn Loud Sr. / Game Voice (voice) / Lynn Loud Sr. / Hunter Spector / TV Announcer (voice) / Lynn Loud Sr. / Police Officer (voice)

Daniel DiMaggio

Artie (voice)

Kapil Talwalkar

Raj (voice)

Jace Norman

Steak (voice) / Steak Stankco (voice)

Blair Dinucci

Bernice (voice) / Bertha (voice)

Lily Mae Silverstein

Renee

Jill Talley

Rita Loud (voice)

Tom Kenny

Announcer/Ice Cream Man

Jack Griffo

Blke Bradley

Mariel Sheets

Darcy (voice)

Marc Summers

Himself (voice)

Kirk Fogg

Himself (voice)

Cooper Barnes

Stan (voice)

Maureen McCormick

Jancey (voice)

Barry Williams

Bumper Yates Sr. (voice)

Daran Norris

Announcer / Bachelor (voice)

Zoe Pessin

Classmate #1 (voice)

Jay Gragnani

Classmate #2

Debi Derryberry

Miss Allegra / Auntie Pam (voice)

Alexandra Ryan

Fiona (voice)

Tucker Chandler

Little Boy (voice)

Bill Mumy

Timothy Mccole