Dagmara Dominczyk

Zelma (voice)

Michele Pawk

Biology (voice)

Matthew Modine

Bo (voice)

Cameron Monaghan

Sergei (voice)

Stephen Lang

Jonas (voice)

Erica D. Schroeder

Elita (voice)

Emma Kenney

Sarma (voice)

Anna O'Donoghue

Teacher #1 (voice)

Tanya Franks

Teacher #2 (voice)