Johannes Hegemann

as Olivia Jones / Oliver Knöbel

Annette Frier

as Evelin Knöbel

Angelina Häntsch

as Marlene Stelling

Martin Brambach

as Mr. Kiesewetter

Jeremy Mockridge

as Thorsten Trapp

Daniel Zillmann

as Marius Knöbel

Victor Schefé

as Lulu Duvall

Dennis Svensson

as Enno Leander

Matthias Bundschuh

as Pastor Karl

Stephan Kampwirth

as Lilo Wanders

Sebastian Jakob Doppelbauer

as Günther Boll

Karin Hanczewski

as Female Pastor

Maximilian Mundt

as Jens Nagy

Arian Wegener

as Young Oliver

Maximilian Beck

as Stefan Sass

Achim Buch

as Lutz Noorden

Hanns Jörg Krumpholz

as Dr. Wenzel

Tim Porath

as Dr. Börner

Hermia Gerdes

as Mary

Daniel Noël Fleischmann

as Gordy