Complex sentence: In 1954 Sharif starred in the film "Struggle in the Valley" opposite Faten Hamama, who shared a kiss with him, although she had previously refused to kiss on screen.
Split into simpler sentences: In 1954 Sharif starred opposite Faten Hamama in the film "Struggle in the Valley". Hamama shared a kiss with Sharif, although she had previously refused to kiss on screen.