Daniel Plainview
Silver Assay Worker
H.B. Ailman
Baby HW
Prescott
HW
Signal Hill Man
Signal Hill Married Man
Signal Hill Woman
Mr. Bankside
Mrs. Bankside
Paul Sunday / Eli Sunday
Fletcher
Mary Sunday
Abel Sunday
Mother Sunday
Ruth Sunday
Al Rose
Gene Blaize
Charlie Wrightsman
Geologist
Ben Blaut
Eli Follower
Oil Worker
Mrs. Hunter
Elizabeth
Little Boston Doctor
Henry
H.M. Tilford
J.J. Carter (as Tom Doyle)
William Bandy
L.P. Clair
Bandy
Bartender
Standard Oil Man
HW's Interpreter
Adult Mary Sunday
Adult HW
Priest (as Reverend Bob Bock)
Plainview Servant
Fanny Clark (uncredited)
Signal Hill Man (uncredited)
Village girl (uncredited)
Annie - Dance Hall Girl (uncredited)
Blacksmith (uncredited)
Elizabeth's Mother (uncredited)
Oil worker (uncredited)
Signal Hill Resident (uncredited)