Complex sentence: This same book was also the basis for "Jimmy" a stage musical about Walker that had a brief Broadway run from October 1969 to January 1970, starring Frank Gorshin as Walker and Anita Gillette as Betty Compton.
Split into simpler sentences: This same book was also the basis for "Jimmy", a stage musical about Walker that had a brief Broadway run from October 1969 to January 1970. The show starred Frank Gorshin as Walker and Anita Gillette as Betty Compton.