Molotov Jovanović as Milan

Alexander Gavrilov as Ralph Barney

Vitali Doronin as The Captain of the schooner "Blue Bird"

Boris Amarantov as Lorimur

Radmila Karaklajić as Gina Savich

Yevgeniya Vetlova as Tanya Ivleva from the USSR

Aleksandar Ješić as Dr. Vilar

Valery Komlev as Alec from UK

Azer Kurbanov as Pablo Gonzales from Brazil

Vladimir Pak as Kyoto from Japan

Irina Shirokova as Mahraba from India

Larisa Taranenko as Ulla Nilsson from Sweden

Blaženka Katalinić as Mrs. Rips

Demeter Bitenc as Correspondent

Milan Puzić as Lieutenant

Aleksei Smirnov as The boatswain is a storyteller