Complex sentence: In 1960, he was seen onstage again with Fonda in "Critic's Choice" and once more, in 1968, appeared with Fonda in "The Boston Strangler".
Split into simpler sentences: In 1960, he was seen onstage again with Fonda in "Critic's Choice". Once more, in 1968, he appeared with Fonda in "The Boston Strangler".