Suggestions by @vsmcgrath

Aldis Hodge

as Horace Washington in The Devil's Revolver

Damian Lewis

as Marcus Wellington in The Devil's Revolver

Nathan Fillion

as Marshal Shaw in The Devil's Revolver

Maggie Smith

as Patrice Favreau in The Devil's Revolver

Joe Dempsie

as Walker Woodroffe in The Devil's Revolver

Stephen Lang

as "Uncle" Jeremiah Bassett in The Devil's Revolver

Iain Glen

as Marcus Wellington in The Devil's Revolver

Harry Lloyd

as Zavi in The Devil's Revolver

Tom Hiddleston

as Zavi in The Devil's Revolver

Anson Mount

as John Alabama in The Devil's Revolver

Simu Liu

as Ling Tsang in The Devil's Revolver