 Robert PowellGustav Mahler | Gustav Mahler |
 Georgina HaleAlma Mahler | Alma Mahler |
 Lee MontagueBernhard Mahler | Bernhard Mahler |
 Miriam KarlinAunt Rosa | Aunt Rosa |
 Rosalie CrutchleyMarie Mahler | Marie Mahler |
 Richard MorantMax | Max |
 Angela DownJustine Mahler | Justine Mahler |
 Ronald PickupNick | Nick |
 Peter EyreOtto Mahler | Otto Mahler |
 Dana GillespieAnna von Mildenburg | Anna von Mildenburg |
 David CollingsHugo Wolfe | Hugo Wolfe |
 Kenneth ColleyKrenek | Krenek |
| AAntonia EllisCosima Wagner | Cosima Wagner |
 Andrew FauldsDoctor on Train | Doctor on Train |
 George CoulourisDoctor Roth | Doctor Roth |
| AArnold YarrowGrandfather | Grandfather |
| EElaine DelmarPrincess | Princess |
| OOtto DiamantProfessor Sladky | Professor Sladky |
| VVictoria RussellGirl Running Alongside Train (uncredited) | Girl Running Alongside Train (uncredited) |
| GGary RichYoung Mahler | Young Mahler |
| DDavid TrevenaDoctor Richter | Doctor Richter |
| BBenny LeeUncle | Uncle |
| MMichael SouthgateAlois Mahler | Alois Mahler |
| SSarah McLellanPutzi | Putzi |
| CClaire McLellanGlucki | Glucki |
 Berwick KalerDancing Officer at Mahler's Cremation (uncredited) | Dancing Officer at Mahler's Cremation (uncredited) |
 Oliver ReedTrain Conductor (uncredited) | Train Conductor (uncredited) |
| AAlex Russell(uncredited) | (uncredited) |
