- Henry Maske
- Max Schmeling
- Heino Ferch
- Max Machon
- Susanne Wuest
- Anny Ondra
- Vladimir Weigl
- Joe Jacobs
- Arved Birnbaum
- Hans v. Tschammer u. Osten
- Christian Kahrmann
- Hitler's Adjutant Lehback
- Elliot Cowan
- Alan Walken
- Yoan Pablo Hernández
- Joe Louis
- Klaus Schindler
- Surgeon Major Schönn
- Enad Licina
- Jack Sharkey
- Manfred Wolke
- Sharkey's Trainer
- Arthur Abraham
- Richard Vogt
- Ulli Wegner
- Vogt's Trainer
- Michael Becker
- Hamburg Boxer
- Andreas Franke
- Joe Louis Opponent #1
- Rüdiger May
- Joe Louis Opponent #3
- Stipe Drvis
- British Boxer #4
- Peter Gilbert Cotton
- Arthur Brisbane
- Hans-Eckart Eckhardt
- Jim Farley
- Detlef Bothe
- Referee Arthur Donovan
- Andreas von Thien
- Announcer #1
- RP Kahl
- Josef Goebbels
- Stefan Gebelhoff
- David Lewin
- Tom Sommerlatte
- Young Soldier
- Micki Bertling
- SA Senior Troop Leader Freilach
- Angelina Noa
- First Aid Nurse Maria
- Frank Raffel
- First Aid Radio Operator
- Martina von Orten
- Housekeeper Lilly
- Bernd Lambrecht
- British Admin. Officer
- Sven Medvesek
- Cabaret Host
- Vanessa Radman
- Mrs. Damski
- Davorka Tovilo
- Cigar Girl
- Alain Blazevic
- Karel Lamac
- Barbara Prpic
- Housekeeper Martha
- Josip Perica
- Hermann Heller
- Besim Mujacic
- Referee #1
- Uwe Boll
- Referee #2
- Bernard Ban
- Referee #3
- Walter Knieps
- Referee #4
- Alexander Frenkel
- Young Stribling
- Darko Milas
- Stribling's Father
- Tomislav Grbavac
- Page Boy
- Luka Peros
- Referee Smith / Journalist #2
- Drazen Bratulic
- SA Man
- Damir Dolar
- Joe Louis Opponent #2
- Luka Dragic
- Man in Uniform
- Vjekoslav Jankovic
- Aide of V. Tschammer
- Teljko Sestic
- Hotel Receptionist
- Benedikt Bravenz
- Newspaper Boy #1
- Karlo Pervan
- Newspaper Boy #2
- Igor Barberic
- Member RMVP
- Dunja Sepcic
- Anny's Neighbor Elizabeth Grohmann
- Kristijan Mandaric
- Neighbor Boy Reinhard Grohmann
- Robert Jozinovic
- Journalist #1
- Dusan Bucan
- Journalist #3
- Goran Manic
- SA Man #2
- Mark Boldin
- Taxi Driver
- Luka Satara
- Werner Lewin
- Ilija Ante Lovric
- Henry Lewin
- Sven Jakir
- Kristallnacht Rioter
- Marinko Les
- Farmhand
- Vili Matula
- Armed Forces Officer
- Srecko Borse
- Supervisor
- Mile Kekin
- Gym Owner
- Sasa Ivkanec
- British Boxer #1
- Marko Barisic
- British Boxer #2
- Antonio Curic
- British Boxer #3
- Slavko Kurjacki
- Hamburg Referee
- Leon Tomic
- Messenger Boy
- Vladimir Tintor
- Reporter #1
- Taanasa Bunnell
- Joe Louis' Mother
- Jadranka Tinic Mijatovic
- Ring Woman
- Nikolina Komljenovic
- Juggler #1
- Nikola Mijatovic
- Juggler #2
- Davor Persic
- Juggler #3
- Niko Radas
- Jazz Band Member
- Nenad Grahovac
- Jazz Band Member
- Matej Huljev
- Jazz Band Member
- Toni Staresinic
- Jazz Band Member
- Jaksa Kriletic
- Jazz Band Member
- Igor Dorotic
- Jazz Band Member
- Lidia Janjic Vukovic
- Lady in Cabaret
- Peter Billigmann
- Ring Doctor
- FINT
- Nazi Officer
- Vjekoslav Katusin
- Boxing Manager #1
- Steffen Kuhr
- Belt bearer
- Zeljko Mavrovic
- Boxing Manager #2
- Joe Thomas
- Sports Reporter
