The first trailer for the long-awaited live-action adaptation of Halo has finally dropped online and, while it barely shows anything, it definitely sets a tone. Check it out below. In the new series, Pablo Schreiber stars as the iconic Master Chief. He’s joined by Natascha McElhone will play Dr. Catherine Halsey, the creator of the Spartan soldiers. Jen Taylor will reprise her role from the games as Cortana, the most advanced AI in human history. The show will also feature Bokeem Woodbine, Shabana Azmi, Bentley Kalu, Natasha Culzac, Kate Kennedy, Danny Sapani, Olive Gray, and Charlie Murphy.