The Thirty Nine Steps

In March 1914, a mining engineer named Richard Hannay tries to prevent Prussian Agents from executing a political assassination designed to trigger World War I.

The Thirty Nine Steps is a 1980 drama mystery movie directed by Don Sharp, starring David Warner, Karen Dotrice, Eric Porter. It holds an IMDb rating of 6.6/10 from 3,181 votes and runs 1h 42m.