Nika Futterman
Luna Loud (voice) / Borris (voice)

Cristina Pucelli
Luan Loud (voice)

Grey DeLisle
Lola Loud / Lana Loud / Lily Loud (voice)

Liliana Mumy
Leni Loud (voice)

Jessica DiCicco
Lynn Loud Jr. / Lucy Loud (voice)

Lara Jill Miller
Lisa Loud (voice)

Grant Palmer
Lincoln Loud (voice)

Caleel Harris
Clyde McBride (voice)

Catherine Taber
Lori Loud (voice) / Lori Loud / Female Voice (voice) / Lori Loud / Computer Voic...

Brian Stepanek
Lynn Loud Sr. (voice) / Lynn Loud Sr. / Police Officer (voice) / Lynn Loud Sr. /...

Daniel DiMaggio
Artie (voice)

Kapil Talwalkar
Raj (voice)

Brec Bassinger
Margo Roberts (voice)

Blair Dinucci
Bertha (voice) / Bernice (voice)

Lily Mae Silverstein
Renee

Jill Talley
Rita Loud (voice)

Daran Norris
Announcer / Bachelor (voice) / Coach Niblick (voice)

John DiMaggio
Flip / Tough Guy (voice) / Flip / Kirby / Bates (voice)

Jack Griffo
Blke Bradley

Mariel Sheets
Darcy (voice)