[1][2] Septilici gained critical acclaim for his roles in films such as Telegrams (1960), The Waves of the Danube (1960), Soldiers of Freedom (1977), James Bond-inspired Black Sea Adventures (1972), and other important Romanian cinematic works.

His performance in Telegrams earned a Palme D'or nomination at the 1960 Cannes Film Festival, along iconic films such as La Dolce Vita (1960) by Federico Fellini and L'Avventura (1960) by Michelangelo Antonioni marking a key moment for Romanian cinema.

[4] Between the years 1948–1956 he was arrested, being accused of anti-communist activity, as a member of the "Tămădău" group.

The film, directed by Aurel Miheleș and Gheorghe Naghi, was a satirical comedy that received a nomination at Cannes.

][8] In 1967, Septilici acting in the stages of Italy, performing at the La Fenice Theatre in Venice.