On screen
Cast
13 credited performers
Donatas Banionis
Gabriel Conroy
Lyudmila Senchina
Julie Pryudom
Leonid Bronevoy
Piter Damfi
Lev Durov
Seller of secrets
Mircea Veroiu
Jack Hamlin
Maria Ploae
Dolores Damfi
Vsevolod Abdulov
Henri York, a journalist
Algimantas Masiulis
Character not listed
Sergei Martinson
Character not listed
Oleg Zhakov
Character not listed
Talgat Nigmatulin
Character not listed
Grigoriy Lyampe
Character not listed
Valeriy Ponarin
Character not listed