ALEXANDER SEREBRAKOFF, a retired professorHELENA, his wife, twenty-seven years oldSONIA, his daughter by a former marriageMME. VOITSKAYA, widow of a privy councilor, and mother of Serebrakoff's first wifeIVAN (VANYA) VOITSKI, her sonMICHAEL ASTROFF, a doctorILIA (WAFFLES) TELEGIN, an impoverished landownerMARINA, an old nurseA WORKMANThe scene is laid on SEREBRAKOFF'S country place