Ruben Brandt (voice)
Mike Kowalski (voice)
Mimi (voice)
Bye-Bye Joe (voice)
Membrano Bruno (voice) / Van Gogh's Postman (voice) / Renoir (voice)
Fernando (voice)
Marina (voice)
John Cooper (voice)
Kris Barutanski (voice)
Vincenzo Delangello (voice)
Eva Kowalski (voice)
Professor Walden (voice)
Boris (voice)
George (voice)
Margaret (voice)
Garreth Graham (voice)
Gerhard Brandt (voice)
Young Ruben (voice)
Mike Kowalsky (voice)
Membrano Bruno (voice)
Bye-Bye Joe (voice)