Martin Kratt

as Martin

Chris Kratt

as Chris

Athena Karkanis

as Aviva Corcovado (voice)

Jonathan Malen

as Jimmy Z (voice)

Sabryn Rock

as Koki (voice)

Zachary Bennett

as Zack Varmitech (voice)

Indiana Lopez

as Nina (voice)

Callum Shoniker

as Javier (voice)

Lucien Duncan-Reid

as Steven (voice)

Shazdeh Kapadia

as Scarlett (voice)

Glee Dango

as Yi (voice)

Isaak Bailey

as Leo (voice)

Hattie Kragten

as Audrey (voice)

Isaiah Rockcliffe

as Warren (Voice)

Oksana Zilinskas

as Katie (voice)

Jordana Blake

as Sani (voice)