Welsh wrote the scripts for almost 50 films between 1943 and 1987 including the script for the 1954 Román Viñoly Barretofilm El Abuelo which starred actors such as Enrique Muino and Mecha Ortiz.
Tito Ortiz | mecha | David Ortiz | Raúl Scalabrini Ortiz | Roxanne Dunbar-Ortiz | MEChA | José Ortiz | Jorge Ortiz de Pinedo | Antonio Ortiz Mayans | Rubén Ortiz Torres | Ruben Ortiz Torres | Ramón Ortiz y Miera | Mecha Press | Mecha Ortiz | Jaime Ortiz-Patino | Idalys Ortiz | Elin Ortiz | Diego Ortiz de Zúñiga | Yñigo Ortiz de Retez | Willington Ortiz | The Ultimate Fighter: Team Liddell vs. Team Ortiz | Simon J. Ortiz | Shalim Ortiz | Ricky Ortiz | Ramiro Ortiz | Mecha-Mecha Iketeru! | Mario Ortiz | Lisa Ortiz | ''La rendición de Granada'' (1882) by Francisco Pradilla Ortiz | Konjiki no Gash Bell!! Movie 2: Attack of the Mecha-Vulcan |