Which commander of the Republic of Texas is played by Laurence Harvey in The Alamo?
The Alamo (1960 film):  The picture also stars Richard Widmark as Jim Bowie and Laurence Harvey as William B. Travis, and the supporting cast features Frankie Avalon, Patrick Wayne, Linda Cristal, Joan O'Brien, Chill Wills, Joseph Calleia, Ken Curtis, Ruben Padilla as Santa Anna, and guest star Richard Boone as Sam Houston. William B. Travis:  Travis County and Travis Park were named after him for being the commander of the Republic of Texas at the Battle of the Alamo.
William B. Travis