Kira Kosarin
— Phoebe Thunderman
Jack Griffo
— Max Thunderman
Maya Le Clark
— Chloe Thunderman
Ariel Winter
— Cognita
Addison Riecke
— Nora Thunderman
Diego Velazquez
— Billy Thunderman
Daniele Gaither
— Superpresident Kickbutt
Rosa Blasi
— Barb Thunderman
Chris Tallman
— Hank Thunderman
Robyn Bradley
— Mee Maw