ability to time-travel, Cooper imparts to her the information she needs. With his mission completed, he is ejected by the future beings, who return him to the Solar System. He is reunited with a now elderly Murph, who he learns has used the gravity-equation to lead humanity's exodus from Earth. She advises him to seek out Amelia, and he sets off. Meanwhile, on the mission's final planet, Amelia is setting up a new colony for future humans to inhabit. She removes her helmet and breathes in the air, showing that the planet is capable of supporting human life. Cast Matthew McConaughey as Joseph Cooper, a widowed NASA pilot who, after the agency was closed by the government, had become a farmer Anne Hathaway as Dr. Amelia Brand, a NASA scientist, and astronaut Jessica Chastain as Murphy "Murph" Cooper, Joseph's daughter, who eventually becomes a NASA scientist Mackenzie Foy as young Murph Ellen Burstyn as elderly Murph John Lithgow as Donald, Cooper's elderly father-in-law Michael Caine as Professor John Brand, a high-ranking NASA scientist, ideator of Plan A, former mentor of Cooper, and father of Amelia David Gyasi as Romilly, another high-ranking NASA member, and Endurance crew member Wes Bentley as Doyle, a high-ranking NASA member, and Endurance crew member Casey Affleck as Tom Cooper, Joseph's son, who eventually grows up to become a farmer Timothée Chalamet as young Tom Matt Damon as Mann, a NASA astronaut sent to an icy planet during the Lazarus program Bill Irwin as TARS and CASE Josh Stewart as CASE Topher Grace as Getty, Murph's colleague and love interest Leah Cairns as Lois, Tom's wife David Oyelowo as School Principal Collette Wolfe as Ms. Hanley William Devane as Williams, another NASA member Elyes Gabel as Administrator Jeff Hephner as Doctor Russ Fega as Crew Chief Production Crew Christopher Nolan – Director, producer, writer Jonathan Nolan – Writer Emma Thomas – Producer Lynda Obst – Producer Hoyte van Hoytema – Cinematographer Nathan Crowley – Production designer Mary Zophres – Costume designer Lee Smith – Editor Hans Zimmer – Music composer Paul Franklin – Visual effects supervisor Kip Thorne – Consultant, executive producer Development and financing The premise for Interstellar was conceived by producer Lynda Obst and theoretical physicist Kip Thorne, who collaborated on the film Contact (1997), and had known each other since Carl Sagan set them up on a blind date. The two conceived a