Lisa Vicari as Isi

Dennis Mojen as Ossi

Lisa Hagmeister as Betty Markowski

Ernst Stötzner as Grandpa

Christina Hecke as Claudia Voigt

Hans-Jochen Wagner as Manfred Voigt

Walid Al-Atiyat as Tschünni

Zoë Straub as Camilla

Bettina Hoppe as Kerstin Wiese

Saladin Dellers as Marf

Susanna Capurso as Gabriella Rizzi

André Eisermann as Spasti

Albert Kitzl as Klaus

Nayla Sophie Brehmer as Isi (4)

Livia Renner as Camilla (4)

Gabriel Grabas as Ossi (7)

Nova Amondson as Isi (10)

Franz Ferdinand Krause as Ossi (10)

Jonas Spaeth as Tschünni (10, 12)

Mila Zellmer as Isi (12)

Jeremiah Kisters as Ossi (12)

Pegah Ferydoni as Drunk Teacher

Johanna Eiworth as Chef

Erik Hansen as Volker

Ralf Dittrich as Gas Station Customer

Natalie Schaaf as Fitness Trainer

Langston Uibel as Finn

Julia Wulf as Marlene

Louis Nitsche as Ferdy

David Gentner as Kitchen Help

Tracey Grey as Private Teacher

Nicolás Di Rago as Santino Borges

Matthias Schmidt as Taxman

Oliver Jaksch as Cross-Eyed Guy

Timothy Alan Munt as Inmate 1

Vitali Skrobot as Inmate 2

Klaus Berchner as Gallery Guest

Zino Gleich as Battle Rap Judge

Michael Steiner as Atomic Dick

Lissa-Johanna Volquartz as Atomic Pussy

Christoph Pütthoff as Financial Advisor

Inaam Al-Battat as Tschünni's Mother

László Branko Breiding as Rapper who dissed Grandpa

Dominikus Weileder as Young Arms Dealer

Niklas Kinzel as Yannis Vukovic

Jens Grunwald as Boxing Referee

Ranja Bonalana as Narrator (voice)