Netflix is rounding out the cast of its upcoming Las Vegas casino series, now dubbed “The Roman.” Variety has learned that Betty Gilpin , Alec Baldwin , and David Costabile have all joined the drama as series regulars alongside previously announced lead Oscar Isaac . The official logline for “The Roman” states that it is “set in the high-stakes, sharp-elbowed present-day Las Vegas casino business, which is a modernized but still dangerous version of the legendary city. At the center of which stands Robert ‘Bobby Red’ Redman (Isaac), president of the hottest hotel casino in town, who has to make some long odds moves to try and secure his position and take more ground.” Popular on Variety Gilpin will star as Marla Blake, who is described as “Bobby’s formidable wife and a brilliant, highly connected lawyer, who knows how to navigate the town’s darkest corners just as well as her husband.” The role marks Gilpin’s latest project with Netflix.…