Nag

Will Forte

Luis Sonntag

Callum Maloney

Ms. Diekendaker

Lea Thompson

Armin Sonntag / Wabo

Dermot Magennis

Mog (voice)

Ian Coppinger

Nag / Mr. Winter / Ice Cream Man / Bill (voice)

Paul Tylak

Jennifer (voice)

Lucy Carolan

Sarah

Susie Power

Jill

Danna Davis

Marlon (voice)

Eoin Daly

Mrs. Winter / Valentina / Ms. Diekendaker (voice)

Aileen Mythen

Principal (voice)

Simon Toal

Boy 1 (voice)

Eoin McCormick

Boy 2 (voice)

Oisin Murray

Additional Characters (voice)

Nuria Blanco

Additional Characters (voice)

Roger Gregg

Additional Characters (voice)

Jill Srigley

Additional Characters (voice)

Dan Russell

Additional Characters (voice)

Mary Murray

Franciska Friede

Joey Guila