Como Ator/Atriz
Prisoners
Prosecuting Attorney
La alegría de vivir
Reformer
Vagabond Lady
Café Doorman (uncredited)
Fifty-Fifty
Former Prisoner (as H.S. Northrup)
Burning Daylight
The Stranger
The Four Horsemen of the Apocalypse
The General
Una mujer de Paris
Revel's Valet (uncredited)
The Heart of Maryland
Gen. Joe Hooker
Flower of the North
Thorpe
The Luck of the Irish
Richard Camden
Human Wreckage
Steve Stone
Devil's Island
The Commandant
Party Girl
Robert Lowry
The Blue Envelope Mystery
Fischer
Vanity Fair
Capt. Rawden Crawley
The Squaw Man
Meadows - the Butler
The Shield of Honor
A.E. Blair
Men Call It Love
Brandt
The Last Warning
Coroner
The White Circle
Northmour
The Illumination
Maximus
The Mills of the Gods
DeWaldis, Giulia's Lawyer
Hate
Dave Hume
The Fear Woman
Sidney Scarr
The Unchastened Woman
Michael Krellin
The Greatest Power
Albert Bernard (as Harry S. Northrup)
The Hushed Hour
Buck Blodgett
The Christian
Lord Robert Ure
Two Women
W.G. Griggs
The Trail To Yesterday