Spencer Staggs

William Gunthrey

Grayson Hathaway

Houston Purnell

Jackson Epperson

Hitch Stevens

Andrew Gilbert

Dr. Jon Freud

Jose Alba

Det. Henry Melling

Holden Flosi

Kale Monroe

Brody Smith

Millard Christensen

Kegan Proehl

The Man in the Black Suit / Janitor

Sebastian Tru Tuominen-Pawlik

Gerald

Horatio Perry

Additional Voices (voice)

Garfield the Cat

Houston's Cat

Enrique V. Rodriguez

Guy in Video (uncredited)