Episode Detail: Commander in Chief - Commander in Chief
Debut: Geena Davis occupies the Oval Office as Mackenzie Allen, the nation's first female president. She's also the first independent chief executive, and she takes office despite the wishes of her Republican predecessor, who died of a brain aneurism after asking her to resign as vice president to make way for House Speaker Nathan Templeton (Donald Sutherland). But Templeton's patronizing attitude so infuriated Allen that she refused. Rod Allen: Kyle Secor.