The play, by Italian author Luigi Pirandello, is a conundrum which makes the point that we cannot ever really hope to know the truth about other people. Co-starring Joan Plowright (Lady Olivier) and Oliver Ford Davies, the play is designed by Zeffirelli as well as directed by him. Absolutely! (Perhaps) is at Wyndham's Theatre, where it will be followed later in the year by a season of comedy, with stars including Michael Barrymore and Lenny Henry.