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The Mystery of Mr. X (1934)

1934 • 1h 24m • Crime, Mystery • NR
IMDb6.9/10679TMDB69%8Rotten Tomatoes—Metacritic—
On September 25, 2026
#123159▲ 18963
123159th by Pulse movie online
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Most Popular The Mystery of Mr. X Cast Members

Robert Montgomery is the most popular The Mystery of Mr. X cast member right now, with a Popularity Score of 1.47. Updated September 27, 2026.

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Cast
Popularity
1

Robert Montgomery

Nicholas Revel/29 years during filming
1.5
2

Ralph Forbes

Sir Christopher Marche/29 years during filming
1.4
3

Lewis Stone

Police Superintendent Connor
1.4
4

Leonard Mudie

Mr. X
1.1
5

Elizabeth Allan

Jane Frensham/23 years during filming
1.1
6

Henry Stephenson

Sir Herbert Frensham
1.0
7

Forrester Harvey

Joe Palmer
1.0
8

Ivan F. Simpson

Hutchinson
0.8