Wonder Park Cast
The cast of Wonder Park.
Jennifer Garner
as June's Mom (voice)

Jennifer Garner lends her voice to the character of June's Mom in Wonder Park.

Matthew Broderick
as June's Dad (voice)

Matthew Broderick voices the character of June's Dad in Wonder Park.

John Oliver
as Steve (voice)

John Oliver provides the voice for the character of Steve in Wonder Park.

Mila Kunis
as Greta (voice)

Mila Kunis portrays the character of Greta in Wonder Park.

Kenan Thompson
as Gus (voice)

Kenan Thompson voices the character of Gus in Wonder Park.

Ken Jeong
as Cooper (voice)

Ken Jeong portrays the character of Cooper in Wonder Park.

Norbert Leo Butz
as Peanut (voice)

Norbert Leo Butz lends his voice to the character of Peanut in Wonder Park.

Brianna Denski
as June (voice)

Brianna Denski provides the voice for the main character, June, in Wonder Park.

Ken Hudson Campbell
as Boomer (voice)
Sofia Mali
as Young June (voice)
Oev Michael Urbas
as Banky (voice)
Kevin Chamberlin
as Uncle Tony (voice)
Kate McGregor-Stewart
as Aunt Albertine (voice)
Kath Soucie
as Bus Counselor Shannon (voice)
Lisa Foiles
as Additional Voices
Tom Baker
as Boomer (voice)
For the best insights and data about Wonder Park, visit our main Wonder Park page.