Viaţa învinge

George Vraca

professor Dan Olteanu

Irina Răchițeanu

Anca Olteanu, Dan's wife

Jules Cazaban

colonel Jack Paleologu

Fory Etterle

engineer Tasca

Ion Lucian

Virgil Sachelarie, professor Olteanu's assistant

Grigore Vasiliu-Birlic

Mișu

Mircea Constantinescu

professor Cristea

Graziela Albini

Sanda Costiniu

Ion Henter

foreign agent Spiridon Dumitrescu

Gheorghe Ionescu-Gion