He was Caliban in Bulandra's 1991 production of William Shakespeare's "The Tempest", appearing alongside his fellow actor and revolutionary Ion Caramitru. He starred in several main roles in classical plays, and, as Nick Bottom in Ciulei's production of Shakespeare's "A Midsummer Night's Dream", received the UNITER prize. He had several main roles in play by acclaimed stage director Silviu Purcărete: Horazio in Carlo Goldoni's "The Comical Theater", Pelasgus in Aeschylus' "The Suppliants", and the title role in Shakespeare's "King Lear". In 2001, Rebengiuc and his wife appeared together in Anton Chekhov's "Uncle Vanya", produced for Bulandra by Russian director Yuri Kordonsky. The same year, he was Fetisov in Hristo Boytchev's "The Colonel Bird" and appeared in Samuel Beckett's "Waiting for Godot" (directed by, respectively, Alexandru Dabija and Gábor Tompa).