Benedict Cumberbatch as Stephen Strange/Doctor Strange Elizabeth Olsen as Wanda Maximoff/Scarlet Witch / Wanda Maximoff Chiwetel Ejiofor as Karl Mordo Benedict Wong as Master Wong Xochitl Gomez as America Chavez Michael Stuhlbarg as Doctor Nicodemus West Rachel McAdams as Doctor Christine Palmer Topo Wresniwiro as Master Hamir