Thomas Kretschmann
Pope John Paul II
Bruno Ganz
Cardinal Stefan Wyszynski
Joaquim de Almeida
Archbishop Oscar Romero
John Albasiny
Father Stanislaw Dziwisz
Charles Kay
Pope Paul VI
Sabrina Jàvor
Ginka
Jasper Harris
Young Karol Wojtyla
Peter Goranov
Karol's Father
Roland Oliver
Archbishop Adam Sapieha
Richard Rees
General Wojciech Jaruzelski
Michael Klesic
Stanislaw Starowleyski
David Barras
Party Official
Sebastian Knapp
Ali Agca
Inga Šalkauskaitė
Karol's Mother
Sebastien Szumilas
Young Karol Wojtyla (voice)
Dainius Kazlauskas
Dr. Francesco Crucitti
Aleksandras Kleinas
Eric Olive
Delegate
Giedrius Arbačiauskas
Officer
Simon Burzynski
Polish Man
Arvydas Dapšys
Cardinal
Kiril Glušajev
Student
Paulius Ignatavičius
Edmund
Petras Liskauskas
Polish Officer
Lorenzo Minoli
Bishop
John Paul I.
Self (archival footage) (uncredited)
Clayton Richard-Long
Self
Donatas Šimukauskas
Priest
Sakalas Uždavinys
Bodyguard
Liudvikas Vilimas
Young Priest
Sonata Visockaitė
Nun
Lech Wałęsa
Self (archival footage) (uncredited)
Šarūnas Zenkevičius
Altar Boy