During the fight scene which ends at 20:20; Arina's stunt double has noticeably shorter hair which does not extend as far down her shoulder blades.
Daniel Goddard (Dar) was 31 while Marjean Holden (Arina) was 38 and Jackson Raine (Tao) was 28 at the time of filming.
Marjean was 10 years older than Jackson.
Marjean was 10 years older than Jackson.