Movie

The Mystery of Mr. X

“A story of a handsome thief in evening clothes who single handed solves the crime that baffled Scotland Yard!”

★ 7.0(10)19341h 24m

The Mystery of Mr. X isn't available to stream, rent or buy in Portugal right now. Availability changes often, so check back soon. Availability checked 24 July 2026.

Where to watch The Mystery of Mr. X

🇵🇹 Portugal

No streaming, rental or purchase options are listed in Portugal right now. Availability changes often — try switching your region in the header.

Good to know

Director: Edgar Selwyn
Release date: 1934-02-23
Runtime: 1h 24m
Language: English
Status: Released
Country: United States of America
Studio: Metro-Goldwyn-Mayer

The Mystery of Mr. X — trailer

About The Mystery of Mr. X

The Mystery of Mr. X is a 1934 movie in the Crime and Mystery genres, directed by Edgar Selwyn, starring Robert Montgomery, Elizabeth Allan and Lewis Stone. It has a runtime of 1 hour 24 minutes. It holds an average rating of 7.0/10 from 10 viewers. Below you can see where to watch The Mystery of Mr. X in Portugal — across streaming, rental and purchase options — along with the full cast, trailer and viewer reviews.

Synopsis

A sophisticated jewel thief tries to prove himself innocent of a string of cop murders.

Cast

Robert Montgomery

Nicholas Revel

Elizabeth Allan

Jane Frensham

Lewis Stone

Police Superintendent Connor

Ralph Forbes

Sir Christopher Marche

Henry Stephenson

Sir Herbert Frensham

Forrester Harvey

Joe Palmer

Ivan F. Simpson

Hutchinson

Leonard Mudie

Mr. X

Themes & keywords

diamondcop-killerscotland yardserial killerjewel thiefpre-codegentleman thieflondon bobbyrevenge murdererpolice superintendentrevenge slasherpartners in crimes

Frequently asked questions

Where can I watch The Mystery of Mr. X in Portugal?+

The Mystery of Mr. X is not currently listed on any streaming, rental or purchase service in Portugal. Availability changes often, so check back or switch your region.

Is The Mystery of Mr. X on Netflix?+

The Mystery of Mr. X is not on Netflix in Portugal right now.

How long is The Mystery of Mr. X?+

The Mystery of Mr. X has a runtime of 1 hour 24 minutes (84 minutes).

Who stars in The Mystery of Mr. X?+

The Mystery of Mr. X stars Robert Montgomery, Elizabeth Allan, Lewis Stone, Ralph Forbes and Henry Stephenson.

When did The Mystery of Mr. X come out?+

The Mystery of Mr. X is a 1934 movie directed by Edgar Selwyn.

What genre is The Mystery of Mr. X?+

The Mystery of Mr. X is Crime and Mystery film.

Who directed The Mystery of Mr. X?+

The Mystery of Mr. X was directed by Edgar Selwyn.