Daniel Day-Lewis

Daniel Plainview

Paul Dano

Paul Sunday / Eli Sunday

Kevin J. O'Connor

Henry

Ciarán Hinds

Fletcher Hamilton

Dillon Freasier

H.W. Plainview

Hope Elizabeth Reeves

Elizabeth

Colleen Foy

Mary Sunday

Barry Del Sherman

H. B. Ailman

David Willis

Abel Sunday

Paul F. Tompkins

Prescott

Kevin Breznahan

Signal Hill Man

Jim Meskimen

Signal Hill Married Man

Erica Sullivan

Signal Hill Woman

Randall Carver

Mr. Bankside

Coco Leigh

Mrs. Bankside

Jim Downey

Al Rose

David Warshofsky

H.M. Tilford

Russell Harvard

Adult H.W. Plainview

Brad Carr

Signal Hill Man (uncredited)

Mary Elizabeth Barrett

Fanny Clark (uncredited)