

Plot Summary
Norma Harvey, a newspaperwoman who devotes much of her time to relieving the sufferings of slum children, still loves her childhood sweetheart, Craig Dunlap, a lawyer who tries to cover up his wife's kleptomania by bribing a witness at her trial. Dunlap, however, is exposed and disbarred. While working in the slums, Norma encounters him in a disreputable dive and takes him to her home along with little Mazie, a blind orphan.
Full Cast & Characters

Clara Kimball Young
Norma Harvey

Lowell Sherman
Craig Dunlap

Dorothy Wallace
Bertha Dunlap

William P. Carleton
Drake Blackly

Jeanne Carpenter
Mazie

Dulcie Cooper
Alice Smith

Ruth Handforth
Miss Quimby

Edward Kimball
Dr. Ralph Cummings

Milla Davenport
Mother of missing girl (uncredited)

Helen Hunt
Norma's secretary (uncredited)

Arthur Millett
Store executive (uncredited)

Rolfe Sedan
Lawyer (uncredited)
Director & Crew
Harry Garson
Director
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Find What No Man Knows StreamingFrequently Asked Questions
Where can I watch What No Man Knows online?
What No Man Knows (1921) is available to stream on various platforms. You can also watch it online via our Watch Online button.
What is the IMDb rating of What No Man Knows?
It has an IMDb rating of 7.0/10 based on 1 votes.
Who directed What No Man Knows?
What No Man Knows was directed by Harry Garson and released in 1921.
How long is What No Man Knows?
What No Man Knows has a runtime of 1 hours and 0 minutes.
Movie Details
- Release Date
- 1921-11-01
- Status
- Released