Rio Grande Word Search Puzzle – Search Characters, Actors and Actresses. Word Search Puzzle Solver. Lt. Col. Kirby Yorke is posted on the Texas frontier to defend settlers against depredations of marauding Apaches. Col. Yorke is under considerable stress by a serious shortage of troops of his command. Tension is added when Yorke's son (whom he hasn't seen in fifteen years) Trooper Jeff Yorke is one of 18 recruits sent to the regiment. Find out the following actor, actress, character names, and other movie-related words hidden in this word search puzzle based on this movie.. This includes identifying and searching for words that are related to : Stan Jones, Ken Curtis, John Wayne, Peter Ortiz, Ben Johnson, Chill Wills, Fred Kennedy, Grant Withers, Alberto Morin, Harry Carey Jr, Maureen O'Hara, Karolyn Grimes, Chuck Roberson, J Carrol Naish, Victor McLaglen .