Complex sentence: That same year, he appeared in Robert Aldrich's Western adventure "Vera Cruz" with Burt Lancaster, about an American adventurer in Mexico hired by Emperor Maximilian I to escort a countess to Vera Cruz during the Mexican Rebellion of 1866.
Split into simpler sentences: That same year, he appeared in Robert Aldrich's Western adventure "Vera Cruz" with Burt Lancaster. In the film, he plays an American adventurer in Mexico hired by Emperor Maximilian I to escort a countess to Vera Cruz during the Mexican Rebellion of 1866.