- Laurence Olivier as Chebutykin
- Joan Plowright as Masha
- Alan Bates as Andrey
- Derek Jacobi as Tuzenbach
- Jeanne Moreau as Natasha
- Sam Jaffe as Ferapont
- Marisa Berenson as Irina
- Keith Mitchell as Solyony
- Athol Fugard as Vershinin
- Ronald Pickup as Protopopov
- Ann Beach as Anfisa
- Paul Whitsun-Jones as Fyodor
- Lou Wakefield as Olga