Three reporters and an office girl are trying to stop a bacteriological strike by some powerful western business leaders against the USSR.

Natalya Glan
as Vivian Mend, typist

Boris Barnet
as Barnet, reporter

Vladimir Fogel
as Fogel, photographer

Igor Ilyinsky
as Tom Hopkins, clerk

Sergei Komarov
as Chiche

Ivan Koval-Samborskyi
as Arthur Storn / Engineer Johnson

Tatyana Mukhina
as Kolka, street child

Mikhail Rozen-Sanin
as Gordon Storn

Natalya Rozenel
as Elizabeth Storn

S. Gets
as Vivian's little nephew