<p>Concourse Media has boarded sales on the psychological thriller &#8220;Strobe&#8221; starring Suzanna Son (&#8220;Red Rocket,&#8221; &#8220;Monster: The Ed Gein Stor&#8221;y), Chace Crawford (&#8220;The Boys,&#8221; &#8220;Gossip Girl&#8221;), Rohan Campbell (&#8220;The Monkey&#8221;), Laura Harrier</p>