His most popular works included Zhenya, Zhenechka and Katyusha (1967), Chronicles of a Dive Bomber (1967), An Old, Old Tale (1970), King Lear (1971), On Thursday and Never Again (1977), September Vacation (1979).

His father, Ivan Zinovyevich Zherko (Иван Зиновьевич Жерко), was an engineer, and mother, Praskovya Petrovna, was a teacher.

[1] During the first five years, Dal played only minor roles: Henry in The Naked King, Mishka in Eternally Living, Cyril in The Elder Sister, Dwarf Thursday in Snow White and the Seven Dwarfs (all the performances were staged in 1963), Marquis Brisail in Cyrano de Bergerac (1964), Igor in Always on Sale (1965), Pospelov in Ordinary History (1966), episode in The Decembrists (1967).

Soon he left the Sovremennik, but then came back again and received the first significant role – Vaska Ashes in Maxim Gorky's The Lower Depths (the premiere of the performance took place in 1968).

After leaving Sovremennik, the actor decided to devote himself to directing and entered the High Courses for Scriptwriters and Film Directors at the VGIK in the studio of Iosif Kheifits, but did not finish them.

He played one of the main roles in the film directed by Alexander Zarkhi My Younger brother, based on Vasily Aksyonov's novel Star Ticket.

[1] Then there were the films The First Trolleybus (Sanya, 1963), Zhenya, Zhenechka and Katyusha (Zhenya Kolyshkin, 1967), Chronicles of a Dive Bomber (Eugene Sobolevsky), An Old, Old Tale (soldier and puppeteer), King Lear (Jester, 1970), Shadow (Christian Theodore and his shadow, 1971), Bad Good Man (Ivan Laevsky, 1973), The Land of Sannikov (Yevgeny Krestovsky), Omega (Scorin / Paul Krieger), It Can't Be!