Movie

Mysterious Doctor Satan

“CRAZED WITH THE LUST TO KILL! A power-mad maniac unleashes a lightning attack on an unsuspecting nation...And finds the Copperhaed thirsting for revenge!”

★ 6.0(4)19404h 27m

Action Adventure Crime Science Fiction

IMDb

Mysterious Doctor Satan isn't available to stream, rent or buy in Canada right now. Availability changes often, so check back soon. Availability checked 22 July 2026.

Where to watch Mysterious Doctor Satan

🇨🇦 Canada

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

Good to know

Director: William Witney, John English
Release date: 1940-12-13
Runtime: 4h 27m
Language: English
Budget: $147,381
Status: Released
Country: United States of America
Studio: Republic Pictures

About Mysterious Doctor Satan

Mysterious Doctor Satan is a 1940 movie in the Action, Adventure and Crime genres, directed by William Witney and John English, starring Eduardo Ciannelli, Robert Wilcox and William Newell. It has a runtime of 4 hours 27 minutes. It holds an average rating of 6.0/10 from 4 viewers. Below you can see where to watch Mysterious Doctor Satan in Canada — across streaming, rental and purchase options — along with the full cast, trailer and viewer reviews.

Synopsis

A mad scientist named Dr. Satan plots to steal key pieces of technology to enable him to build an army of robots based on his prototype to conquer America. The only one standing in his way is Bob Wayne, who fights Satan as the enigmatic Copperhead. Mysterious Doctor Satan is a 1940 film serial named after its chief villain. Doctor Satan's main opponent is the masked mystery man, "The Copperhead", whose secret identity is Bob Wayne, a man searching for justice and revenge on Satan for the death of his step-father. The serial charts the conflict between the two as Bob Wayne pursues Doctor Satan, while the latter completes his plans for world domination.

Cast

Eduardo Ciannelli

Doctor Satan

Robert Wilcox

Bob Wayne / Copperhead

William Newell

Speed Martin

C. Montague Shaw

Prof. Thomas Scott

Ella Neal

Lois Scott

Dorothy Herbert

Alice Brent

Charles Trowbridge

Gov. Bronson

Jack Mulhall

Police Chief Rand

Edwin Stanley

Col. Bevans

Walter McGrail

Stoner

Joe McGuinn

Gort

Bud Geary

Hallett

Themes & keywords

saving the worldkiller robotsecret identitytrapdoormasked vigilantemovie serial

Frequently asked questions

Where can I watch Mysterious Doctor Satan in Canada?+

Mysterious Doctor Satan is not currently listed on any streaming, rental or purchase service in Canada. Availability changes often, so check back or switch your region.

Is Mysterious Doctor Satan on Netflix?+

Mysterious Doctor Satan is not on Netflix in Canada right now.

How long is Mysterious Doctor Satan?+

Mysterious Doctor Satan has a runtime of 4 hours 27 minutes (267 minutes).

Who stars in Mysterious Doctor Satan?+

Mysterious Doctor Satan stars Eduardo Ciannelli, Robert Wilcox, William Newell, C. Montague Shaw and Ella Neal.

When did Mysterious Doctor Satan come out?+

Mysterious Doctor Satan is a 1940 movie directed by William Witney and John English.

What genre is Mysterious Doctor Satan?+

Mysterious Doctor Satan is Action, Adventure, Crime and Science Fiction film.

Who directed Mysterious Doctor Satan?+

Mysterious Doctor Satan was directed by William Witney and John English.