First Cow is a 2019 American drama film directed by Kelly Reichardt, from a screenplay by Reichardt and Jonathan Raymond based on Raymond's 2004 novel The Half-Life. It stars John Magaro, Orion Lee, Toby Jones, Ewen Bremner, Scott Shepherd, Gary Farmer, Stephen Malkmus, Alia Shawkat, and Lily Gladstone. It also features René Auberjonois in one of his final film roles.