(Portrayed by Emily Coutts).
Conn officer on the U.S.S. Shenzhou. Detmer was injured in a bridge explosion while serving on the U.S.S. Shenzhou during the Battle at the Binary Stars. Following her recovery, Detmer was assigned to the U.S.S. Discovery.
Detmer was the First Officer of the I.S.S. Shenzhou under Captain Connor and Captain Burnham.