kgb answers » Arts & Entertainment » Video Games » In fallout new vegas how do i get cass to follow me to freeside. In Fallout: New Vegas, for Cass to follow you to Freeside, convince her to sell her company to the Crimson caravan.After that, she can be recruited as companion. Tags: freeside, cass, companion, new vegas, fallout. Monday, February 06 2012.