Martti Suosalo as Sibelius

Heikki Nousiainen as Vanha Jean Sibelius

Miina Turunen as Aino Sibelius

Seela Sella as Vanha Aino Sibelius

Vesa Vierikko as Robert Kajanus

Raimo Grönberg as Martin Wegelius

Jarmo Mäkinen as Akseli Gallen-Kallela

Tapani Kalliomäki as Armas Järnefelt

Kunto Ojansivu as Adolf Paul

Rea Mauranen as Maria Sibelius

Kirsi Tarvainen as Linda Sibelius

Christian Sandström as Christian Sibelius

Erkki Ruokokoski as Pehr-setä

Eija Nousiainen as Elisabeth Järnefelt

Konsta Hannonen as Juhani Aho

Kari Hietalahti as Eino Leino

Risto Kaskilahti as Wettenhovi-Aspa

Hannu Kivioja as Ferruccio Busoni

Titta Antti-Poika as Eeva-tytär aikuisena

Lars Svedberg as Santeri Levas

Paul Olin as Fredriksen

Johan Fagerudd as Halvorsen

Frank Skog as Henriques

Jevgeni Haukka as Taiteilijaystävä Wienissä

Ritva Jalonen as Pauline Lucca

Matti Mäntylä as Forsten

Niina Nurminen as Kreivitär

Mikko Nousiainen as Eero Järnefelt

Merika Koivusalo as Sibeliuksen tytär

Pekka Lehtimäki as Jousikvartetti Wienissä