Brian Stepanek

as Lynn Sr. / Todd / Astronaut 1 (voice)

as Sad Peasant (voice)

as Wilbur (voice)

as King Gastley (voice)

as Dad / Todd / Cargo Shorts Henchman (voice)

as Lynn Loud Sr.

as Lynn Loud Sr.

as Lynn Loud Sr.

as Dad / 1600's Dad (voice)

as Tom (uncredited)

as Dad / Hockey Player / Canadian Student 2

as Mr. Turpel

as Shorty Powers

as Graham Kindell

as Nedley Blake

as Rufus Youngblood

as Hubert Givens

as Coach Forte

as Ranger Rob

as Dr. Wages

as Lynn Loud Sr. / Hunter Spector / TV Announcer (voice)

as Lynn Loud Sr. / Game Voice (voice)

as Lynn Loud Sr. (voice)

as Lynn Loud Sr. / Police Officer (voice)

as Gorg Commander / Father / Boov (voice)

as Victor Baxter

as Tom Harper

as Sergio

as Phil

as Fred

as Officer Goosebump

as Brad McCalister

as Security System Technician

as Jay Purcell

as Mr. Collinsworth

as Mr. Kroop

as Voltaire

as Harold Buttowski (voice)

as Merv

as Coach Mackey

as Dode (voice)

as Martin (voice)

as Brian O'Brian

as Phears

as Arwin Hochauser

as Blackout / Agent Simmons (voice)

as Sector Seven Agent

as Sheep Group (voice)

as Nugent the Dog (voice)

as Gandu Three Echo

as Arwin Hochauser

as Roger (voice)

as Karl Chunk / Homeless Guy / Arda Dogan

as Arthur

as Officer #3

as Andrew Stamler

as Lowell

as Parole Board Marshall

as Peter

as Alex Graham

as Stan

as Senator's Aide

as Kevin

as Richie Sagansky

as Bob