Golos (1982)

A film-in-film story of a star actress Julia Martynova (Sayko), who is suddenly hospitalized with terminal illness in the middle of a film production. She makes trips from hospital to studio for voice-over (dubbing) for her character. But the illness brought dramatic changes to her personality and voice, and she finds herself becoming a different person from who she was at the beginning of filming. Crew members are helping her in every possible way, and her voice brings a new dimension to the film.