Frank Welker

as Scooby-Doo / Fred (voice)

Grey DeLisle

as Daphne (voice)

Matthew Lillard

as Shaggy (voice)

Kate Micucci

as Velma (voice)

Carlos Alazraqui

as Larry (voice)

Max Charles

as Buddy G. (voice)

Gary Cole

as Rafe (voice)

Jessica DiCicco

as Desdemona Gunderson (voice)

Tania Gunadi

as Carol (voice)

Eric Ladin

as Kyle (voice)

Nolan North

as David (voice)

Stephen Tobolowsky

as Andy Gunderson (voice)

Lauren Tom

as Sharon (voice)

Melissa Villaseñor

as Tawny (voice)

Kari Wahlgren

as Midge Gunderson (voice)

Gary Anthony Williams

as Cook (voice)