Ana de la Reguera is set to star in TNT pilot “Gateway.” She will play the co-owner of Lola’s Saloon. The actress was most recently seen in “Cowboys and Aliens.”Scott Bakula will make his U.K. stage debut in the play “Terrible Advice.” He was most recently seen on the TNT skein “Men of a Certain Age.” He has also begun getting back into stage work, starring in “Guys and Dolls” and “Quality of Life.” Reagan Pasternak has booked the female lead on the pilot “Great Scot” for CBC. Michael Weaver also stars. Past credits include “Just Buried” and “Breach.” Callard Harris is set to join the cast of the TNT series “Dallas.” Harris will play the role of the brother to the female lead, Julie Gonzalo. Harris was most recently seen on the FX skein “Sons of Anarchy.