Complex sentence: Widmark was a guest on "What's My Line?" in 1954, and the following year he made a rare foray into comedy on "I Love Lucy", portraying himself when a star-struck Lucy trespasses onto his property to steal a souvenir.
Split into simpler sentences: Widmark was a guest on "What's My Line?" in 1954. The following year, he made a rare foray into comedy on "I Love Lucy", portraying himself when a star-struck Lucy trespasses onto his property to steal a souvenir.