Paul Bettany
as Vision
James Spader
as Ultron
Ruaridh Mollica
as Thomas
Orla Brady
as F.R.I.D.A.Y.
Jonathan Sayer
as U.
Emily Hampshire
as E.D.I.T.H.
Henry Lewis
as D.U.M.-E.
Todd Stashwick
as Paladin
Lauren Morais
as Lisa Molinari
Diane Morgan
as Handler
James D'Arcy
as J.A.R.V.I.S.
T'Nia Miller
as Jocasta / The Butcherbird
Polly Frame
as Fiona Guthrie
Art Malik
as Simon Moorehouse