Jason Clarke as Dr. Eric Price

Helen Mirren as Sarah Winchester

Sarah Snook as Marian Marriott

Finn Scicluna-O'Prey as Henry Marriott

Emm Wiseman as Nancy

Alana Fagan as Partially Dressed Lady #1

Rebecca Makar as Partially Dressed Lady #2

Tyler Coppin as Arthur Gates

Michael Carman as Frank

Angus Sampson as John Hansen

Alice Chaston as Clara

Eamon Farren as Ben Block

Laura Brent as Ruby Price

Adam Bowes as Farmer Amputee

Bruce Spence as Augustine

Phoenix Suhrou-Diamond as Native American Child

Jayden Irving as Carpenter #1

Rosco Campbell as Carpenter #2

Puven Pather as Carpenter #3

Tom Heath as Wiry Carpenter

Curtis Bock as Harry Block

Andy de Lore as James Block

Graham Jahne as Innocent Man #1

Hayden Stewart as Innocent Man #2

Chris Anderson as Innocent Man #3

Laura Sutton as Innocent Woman

Robert Shook as Police Officer #1

Richard Anastasios as Police Officer #2

Will Jones as Police Officer #3

Luke Maizey as Police Officer #4

James Baldwin as Police Officer #5

Neil Solomano as Police Officer #6

Amos Ciza as Slave Ghost

Red Horse Rivera as Chief Little Fawn

Timothy Brown as Ghost #1

Kym Lannin as Ghost #2 - Farmer

Christian Rhodes-Wolfe as Ghost #3 - Union Soldier

Albert Trajstman as Ghost #4 - Sheriff

Xavier Gouault as Ghost #5 - Police Officer

Gawi Deng as Ghost #6 - Confederate Soldier

Ryuhei Tsukamoto as Ghost #7 - Rail Worker

Shane Holloway as Ghost #8 - Cowboy

Michael Boyd as Ghost #9 - Sheriff

Elisa Abascal as Ghost #10 - Mexican Woman

Akosia Sabet as Ghost #11 - Cotton Picker

Stephanie Beall as Ghost #12 - 1895 Wealthy Lady

Clancy Fraser as Ghost #13 - Prostitute

Chris Homa as Ghost #14 - Farmer's Wife

Rose Juan as Ghost #15 - Maid

Douglas Embry as Towns Person (uncredited)

Jeffrey W. Jenkins as Footman (uncredited)

Dawayne Jordan as Butler / Carpenter (uncredited)

Jeff Lipary as Carpenter (uncredited)

Homero Lopez as Carpenter (uncredited)

Marcus Orelias as Carpenter (uncredited)