The Wrap reports that Stephanie Corneliussen (Mr. Robot) has joined Legends of Tomorrow as Valentina Vostok. Vostok is a Russian scientist during the Cold War, suspected of aiding series villain Vandal Savage (Casper Crump). The character will be featured in a multi-episode arc, during which Ray Palmer (Brandon Routh) and Captain Cold (Wentworth Miller) will be trying to earn her affections and determine where her true loyalties lie.
Valetina Vostok was created by Paul Kupperberg and Jim Aparo and first appeared in Showcase #94 in 1977. In the book she is a high ranking pilot in the Soviet Air Force who steals a plane and attempts to defect to America. However, her escape fails and she ends up crashing the plane.