Mario Adorf as Karl Marx

Oliver Posener as Der junge Karl Marx

Sarah Hostettler as Eleanor Marx

Lutz Blochberger as Friedrich Engels

Nina Petri as Lenchen

Jele Brückner as Laura Lafargue

Martina Delišová as Jenny von Westphalen

Johannes Klaußner as Frederick Demuth

Ruth Marie Kröger as Jenny Marx

Knud Riepen as Sozi

Holger Daemgen as Sozi

René Schoenenberger as Dr. Charles Stéphann

Zsolt Bács as Janos Bangya