Sverrir Gudnason
Björn Borg
Shia LaBeouf
John McEnroe
Stellan Skarsgard
Lennart Bergelin
Tuva Novotny
Mariana Simionescu
Leo Borg
Younger Björn Borg
Marcus Mossberg
Young Björn Borg
Jackson Gann
Young John McEnroe
Scott Arthur
Peter Fleming
Ian Blackman
John McEnroe Senior
Robert Emms
Vitas Gerulaitis
David Bamber
UK Commentator George Barnes
Jane Perry
Kay McEnroe
Roy McCrerey
Björn Borg's Agent #2
Bjorn Granath
Bengt Grive
Tom Datnow
Jimmy Connors
Colin Stinton
Talk Show Host
Janis Ahern
Psychologist
Bob Boudreaux
Mr. Henderson
Wille Glyt
National Teamplayer #2
Anders Berg
Södertälje Tennis Coach
Iva Sindelkova
Borg's fan (uncredited)
Zuzana Geislerova
Jamie Marshall
British Commentator
Ben Bradshaw
Umpire Wimbledon Final
Mats Blomgren
Rune Borg