Original sentence: Coleman became a popular figure, starring in a number of feature films and made-for-TV movies including On the Right Track, and The Kid with the Broken Halo.Coleman was cast in the role of Arnold Jackson on Diff'rent Strokes, portraying a child adopted by a wealthy widower
Edited sentence: As he grew older, however, he fell from public favor, as is unfortunately sometimes the case with popular child actors.Capitalizing on this fame,  Coleman became a popular figure, starring in a number of feature films and made-for-TV movies including On the Right Track, and The Kid with the Broken Halo.Due to his cherubic face and keen comic timing, Coleman captured the role of Arnold Jackson on Diff'rent Strokes, portraying a child adopted by a wealthy widower