A legendary blue diamond draws five friends on an arduous expedition to the jungles of Thailand. Things go wrong after a murder, with one friend going to prison. The friends are reunited after seven years when one is kidnapped.
Pierre Brice
as Pierre Latouche
Ernest Borgnine
as Hans Kroger
Barry Newman
as Dr. Axel Trank
Harald Leipnitz
as Joe di Franco
Julia Kent
as Susann Kroger
Sonja Kirchberger
as Barbara Latouche
Wilfried Baasner
as Boris Ottinski (Otto)
Christine Schuberth
as Sonja Werner
Laura Johnson
as Wendy Hill
Brent Huff
as Birnbaum
