Recently, he performed classical pieces (Carlo Goldoni, Anton Chekhov) translated into Arabic, at the Municipal theatre of Tunis, which were well received.

From 1966-1967 he played Flaminio from Robert Merle, Yerma from Federico García Lorca, and the Marshall from Molière's Le Bourgeois Gentilhomme.

For the 1968 adaptation of Hamlet in the town of Hammamet, Tunisia, Lakhal was assistant director to Alì Ben Ayed.

In 1974 he directed The Merchant of Venice (Shakespeare), and in 1982 he played Magid in 'La Noce' (Luce Berthommé [fr]), which was performed again at the Théâtre du Lucernaire in Paris.

He also organized tours and directed the Group of the Theatre de Tunis, which has worked three times in the 'Théâtre de la Ville' (Paris), and also in Algeria, Morocco, Libya, Vienna, Egypt, and Lebanon.