Movie

Who Is Number One?

“A thrilling melodrama woven around a dainty love story; a tale of youth's battle against an engine of revenge.”

19175h 0m

Who Is Number One? isn't available to stream, rent or buy in Vietnam right now. Availability changes often, so check back soon. Availability checked 21 July 2026.

Where to watch Who Is Number One?

🇻🇳 Vietnam

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

Good to know

Director: William Bertram
Release date: 1917-10-29
Runtime: 5h 0m
Language: No Language
Status: Released
Country: United States of America
Studio: Paramount Pictures

About Who Is Number One?

Who Is Number One? is a 1917 movie in the Mystery genre, directed by William Bertram, starring Kathleen Clifford, Cullen Landis and Gordon Sackville. It has a runtime of 5 hours 0 minutes. Below you can see where to watch Who Is Number One? in Vietnam — across streaming, rental and purchase options — along with the full cast, trailer and viewer reviews.

Synopsis

A silent 15-part movie serial.

Cast

Kathleen Clifford

Aimee Villon

Cullen Landis

Tommy Hale

Gordon Sackville

Neil Hardin

Bruce Smith

Ethel Ritchie

Corinne Grant

Themes & keywords

movie serial

Frequently asked questions

Where can I watch Who Is Number One? in Vietnam?+

Who Is Number One? is not currently listed on any streaming, rental or purchase service in Vietnam. Availability changes often, so check back or switch your region.

Is Who Is Number One? on Netflix?+

Who Is Number One? is not on Netflix in Vietnam right now.

How long is Who Is Number One??+

Who Is Number One? has a runtime of 5 hours 0 minutes (300 minutes).

Who stars in Who Is Number One??+

Who Is Number One? stars Kathleen Clifford, Cullen Landis, Gordon Sackville, Neil Hardin and Bruce Smith.

When did Who Is Number One? come out?+

Who Is Number One? is a 1917 movie directed by William Bertram.

What genre is Who Is Number One??+

Who Is Number One? is Mystery film.

Who directed Who Is Number One??+

Who Is Number One? was directed by William Bertram.