In the world of football, there seems only two camps when it comes to the greatest player. If you ask 100 soccer fans who that person is, chances are 50 of them will say Cristiano Ronaldo and 50 will say Lionel Messi. In this unique documentary, we examine these two superstars' moves, talent and ability. We hear from the rabid fans, interview the experts and debate which player is the best in modern football.
| Actor | Role |
|---|---|
 Cristiano RonaldoSelf | Self |
 Lionel MessiSelf (archive footage) | Self (archive footage) |
 David BeckhamSelf | Self |
| MMario TorrejonSelf | Self |
| DDuncan WrightSelf | Self |
 Alex FergusonSelf | Self |
| WWillem BalagueSelf | Self |
| IIan LadymanSelf | Self |
| WWarren BartonSelf | Self |
| AAlberto Ramon SilesSelf | Self |
| XXavi LlorensSelf | Self |
 Gerard PiquéSelf | Self |
 Thierry HenrySelf | Self |
| TThiago BonacinaSelf | Self |
| DDiego RodriguezSelf | Self |
| MMonica MoralesSelf | Self |
| BBrandon WilliamsSelf | Self |
| MMarcel Rivera-BaillargeonSelf | Self |
| HHolly Mills-GardnerSelf | Self |
| VValerie Kaye-ScottSelf | Self |
 Pep GuardiolaSelf (archive footage) | Self (archive footage) |
 Diego MaradonaSelf (archive footage) | Self (archive footage) |
 Irina ShaykSelf (archive footage) | Self (archive footage) |
 Georgina RodríguezSelf (archive footage) | Self (archive footage) |
 Antonella RoccuzzoSelf (archive footage) | Self (archive footage) |
 Mark Lindsay ChapmanNarrator (voice) | Narrator (voice) |