Sverrir Gudnason

Björn Borg

Shia LaBeouf

John McEnroe

Stellan Skarsgård

Lennart Bergelin

Tuva Novotny

Mariana Simionescu

Leo Borg

Younger 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

Björn Granath

Bengt Grive

Colin Stinton

Talk Show Host

Janis Ahern

Psychologist

Wille Glyt

National Teamplayer #2

Anders Berg

Södertälje Tennis Coach

Iva Šindelková

Borg's fan (uncredited)

Zuzana Geislerová

Jamie Marshall

British Commentator

Ben Bradshaw

Umpire Wimbledon Final

Mats Blomgren

Rune Borg

Julia Marko-Nord

Margareta Borg

Demetri Goritsas

Björn Borg's agent #1

Jason Forbes

Arthur Ashe

Claes Ljungmark

Mats Hasselqvist

Dag Malmberg

chairman Södertälje

James Sobol Kelly

Phil, John's agent

Thomas Hedengran

Lennart Hyland

Felix Engström

tennis coach Stockholm

Annika Ryberg Whittembury

Argentine tv reporter

David Bowles

french commentator

Federico Cafaro

Argentinian TV translator

Marc Cram

American Commentator