On June 24, 2014, Brandon P. Bell, Tiffany Lonsdale, and Jacqueline Byers were announced to co-star alongside Helfer and Van Holt, as First Officer Oren Gault, Chief Astronomer Emily Vanderhaus, and Nora Bryce respectively, and two days later, Andrea Roth and P.J. Boudousque joined the main cast as Dr. Juliet Bryce and James Toback respectively.
