Générique complet

Léo et les Extraterrestres

Callum Maloney

Luis Sonntag (voice)

Dermot Magennis

Armin Sonntag / Wabo (voice)

Ian Coppinger

Mog (voice)

Paul Tylak

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

Lucy Carolan

Jennifer (voice)

Eoin Daly

Marlon (voice)

Aileen Mythen

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

Simon Toal

Principal (voice)

Danna Davis

Jill (voice)

Susie Power

Sarah (voice)

Eoin McCormick

Boy 1 (voice)

Oisin Murray

Boy 2 (voice)

Núria Blanco

Additional Characters (voice)

Roger Gregg

Additional Characters (voice)

Jill Srigley

Additional Characters (voice)

Dan Russell

Additional Characters (voice)

Mary Murray

Additional Characters (voice)

Réalisation