James Mason

Trigorin

Vanessa Redgrave

Nina

Simone Signoret

Irina Arkadina

David Warner

Konstantin Treplev

Harry Andrews

Pjotr Nikolayevich Sorin

Denholm Elliott

Dr. Yevgeny Dorn

Eileen Herlie

Polina

Alfred Lynch

Semyon Medvedenko

Ronald Radd

Shamraev

Kathleen Widdoes

Masha

Frej Lindqvist

Yakov (uncredited)

Karen Miller

Housemaid (uncredited)