The film was made on the basis of the literary version of events in the life of the famous Russian ethnographer, anthropologist, biologist and traveler who studied the indigenous population of South-East Asia, Australia and Oceania.

Sergei Kurilov
as Nicholas Miklouho-Maclay

Galina Grigoryeva
as Margaret Robertson - wife of Miklouho-Maclay

Mikhail Astangov
as Brandler - Doctor

Aleksey Maksimov
as Robertson

Georgiy Budarov
as Thomson

Valentina Kuindzhi
as Lawrence

Weyland Rodd Sr.
as Chief Oor - black friend Miklouho-Maclay

Lev Fenin
as Governor

Robert Robinson
as Malu

Jim Komogorov
as Boy