The 39 Steps (1935) - Ending scene

Richard Hannay follows Professor Jordan to the London Palladium to stop him from smuggling British military secrets out of the country, but the police reach there too by following Pamela, to arrest Richard on suspicion of murder.

Directed by: Alfred Hitchcock
Written by: Charles Bennett, Ian Hay, based on The Thirty-Nine Steps by John Buchan
Cinematography by: Bernard Knowles
Edited by: Derek N. Twist
Music by: Louis Levy, Jack Beaver
Sound by: Peter Birch
Production, Art, and Set Design by: Oscar Friedrich Werndorff, Albert Jullion
Starring: Robert Donat, Madeleine Carroll, Lucie Mannheim, Godfrey Tearle, Peggy Ashcroft, John Laurie, Helen Haye, Frank Cellier, Wylie Watson