Barry Del Sherman
H. B. Ailman
Ciarán Hinds
Fletcher Hamilton
Daniel Day-Lewis
Daniel Plainview
Paul Dano
Paul Sunday / Eli Sunday
Kevin J. O'Connor
Henry
Jim Meskimen
Signal Hill Married Man
David Warshofsky
H.M. Tilford
Dillon Freasier
H.W. Plainview
Hope Elizabeth Reeves
Elizabeth
Colleen Foy
Mary Sunday
David Willis
Abel Sunday
Hans Howes
Mr. Bandy
Sydney McCallister
Mary Sunday (young)
Kevin Breznahan
Signal Hill Man
Brad Carr
Signal Hill Man (uncredited)
Beau Smith
Blacksmith (uncredited)
Randall Carver
Mr. Bankside
Russell Harvard
Adult H.W. Plainview
Paul F. Tompkins
Prescott
James Downey
Al Rose
Rhonda Reeves
Elizabeth's Mother (uncredited)
Erica Sullivan
Signal Hill Woman
Charles Thomas Doyle
J.J. Carter
Mary Elizabeth Barrett
Fanny Clark (uncredited)
Coco Leigh
Mrs. Bankside
Martin Stringer
Silver Assay Worker
Matthew Braden Stringer
Jacob Stringer
Joseph Mussey
Harrison Taylor
Baby H.W.
Stockton Taylor
Christine Olejniczak
Mother Sunday
Kellie Hill
Ruth Sunday
Dan Swallow
Gene Blaize
Robert Arber
Charlie Wrightsman
Bob Bell
Geologist
David Williams
Ben Blaut
Joy Rawls
Eli Follower
Louise Gregg
Amber Roberts
John W. Watts
Oil Worker
Robert Caroline
Barry Bruce
Irene G. Hunter
Mrs. Hunter
John Chitwood
Little Boston Doctor
Colton Woodward
William Bandy
John Burton
L.P. Clair
Robert Barge
Bartender
Ronald Krut
Standard Oil Man
Huey Rhudy
Steven Barr
Robert Hills
H.W.'s Interpreter
Bob Bock
Priest
Vince Froio
Plainview Servant
Phil Shelly