Morituri

A war pacifist is blackmailed to pose as an SS officer and to disable the scuttling explosives on a freighter carrying rubber cargo to be captured by the Allies.

Morituri is a 1965 drama thriller movie directed by Bernhard Wicki, starring Marlon Brando, Yul Brynner, Trevor Howard. It holds an IMDb rating of 7.0/10 from 4,927 votes and runs 2h 3m.