Several foreign agents are interested in a famous Austrian scientist, the discoverer of an artificial protein. The endangered man never notices the trouble around him. His protection was entrusted to the mysterious Madame Elizabeth, amongst agents famed as the ' 006, in fact, working for State Security...

Valentina Thielová
as Paní Elizabet

Miroslav Macháček
as Dr. Lucke

Jiří Adamíra
as Mercadier

Josef Vinklář
as Carter

Jiří Holý
as Penniker

Jaroslav Raušer
as Tloustík

Josef Bláha
as General

Ilja Prachař
as Kapitán

Vladimír Stach
as Antonín

Rudolf Jelínek
as Vrchní