Complex sentence: In 2005, he made a brief cameo in'as a young Grand Moff Tarkin, because of his resemblance to Peter Cushing, who portrayed the same character 28 years previously in'.
Split into simpler sentences: In 2005, he made a brief cameo in'as a young Grand Moff Tarkin, because of his similarity to Peter Cushing. Cushing portrayed the same character 28 years previously, in'.