'Step Up' sets new series regulars with Keiynan Lonsdale, Enrique Murciano By (0) Keiynan Lonsdale has been cast in Starz's "Step Up" series, along with Enrique Murciano. File Photo by Jim Ruymen/UPI | License Photo Enrique Murciano arrives at the "Bloodline" series premiere on March 2015. File Photo by John Angelillo/UPI | License Photo Feb. 23 (UPI) -- Keiynan Lonsdale, Enrique Murciano and dancer Rebbi Rosie have joined Starz's re-imagined Step Up series, the network announced on Tuesday. Step Up star Terayle Hill, who portrayed Marquise on the show's first two seasons, is also returning for the new season as a series regular.