Alyson Stoner

as Holly Hobbie (voice)

Liliana Mumy

as Amy Morris (voice)

Tinashe

as Carrie Baker (voice)

Jansen Panettiere

as Robby Hobbie (voice)

Paul Butcher

as Kyle Morris (voice)

Rusty Schwimmer

as Aunt Jessie Beech (voice)

Jane Lynch

as Joan Hobbie / Minnie (voice)

Diedrich Bader

as Uncle Dave Beech (voice)

Michael McShane

as Jim Bidderman / Station Manager (voice)

Rob Paulsen

as Gary Hobbie / Mr. Valcucci / Tad (voice) (as Rob Paulson)

Dee Bradley Baker

as Willy Scranton / Bud Cartwright / Cheddar / Doodles / Bonnet

Kim Mai Guest

as Devon (voice)

Bill Mumy

as Bud Morris (voice)