Breaking the Surface is about the tough times Greg Louganis had on his way to becoming one of the world's top Olympic divers.
| Actor | Role |
|---|---|
 Mario LópezGreg Louganis | Greg Louganis |
 Michael MurphyPete Louganis | Pete Louganis |
 Jeffrey MeekTom Barrett | Tom Barrett |
 Rosemary DunsmoreFrances Louganis | Frances Louganis |
 Aki AleongDr. Sammy Lee | Dr. Sammy Lee |
 Bruce WeitzRon O'Brien | Ron O'Brien |
 Patrick DavidYoung Greg Louganis | Young Greg Louganis |
 Megan LeitchMegan | Megan |
 Greg LouganisNarrator/Himself | Narrator/Himself |
 Jonathan ScarfeKeith | Keith |
 Jesse Moss14 Year Old Boy | 14 Year Old Boy |