Complex sentence: Palmer was cast as Ezra Parker in the 1969 film "The Undefeated", Karl Riker in the 1970 film "Chisum" and John Goodfellow in the 1971 film "Big Jake", all starring John Wayne.
Split into simpler sentences: Palmer was cast as Ezra Parker in the 1969 film "The Undefeated". He played Karl Riker in the 1970 film "Chisum" and John Goodfellow in the 1971 film "Big Jake", all starring John Wayne.