Alma Mahler's affair with the young architect Walter Gropius sets in motion a marital drama that forces her husband Gustav Mahler to seek advice from Sigmund Freud.
| Actor | Role |
|---|---|
 Johannes SilberschneiderGustav Mahler | Gustav Mahler |
| BBarbara RomanerAlma Mahler | Alma Mahler |
 Karl MarkovicsSigmund Freud | Sigmund Freud |
 Friedrich MückeWalter Gropius | Walter Gropius |
 Eva MattesAnna Sofie Schindler-Moll | Anna Sofie Schindler-Moll |
 Karl FischerCarl Moll | Carl Moll |
 Lena StolzeJustine Mahler-Rosé | Justine Mahler-Rosé |
 Michael DanglBruno Walter | Bruno Walter |
| MMax MayerMax Burckhard | Max Burckhard |
| JJohanna Orsini-RosenbergBerta Zuckerkandl | Berta Zuckerkandl |
 Michael RotschopfAlfred Roller | Alfred Roller |
| NNina BertenAnna von Mildenburg | Anna von Mildenburg |
| MMatthias SteinAlexander von Zemlinsky | Alexander von Zemlinsky |
 Manuel WittingGustav Klimt | Gustav Klimt |