Complex sentence: The Secret Life of Marilyn Monroe is a 2015 American made-for-TV drama film starring Kelli Garner, Susan Sarandon, Emily Watson, Jeffrey Dean Morgan, and Eva Amurri Martino to be aired on Lifetime on May 30 and May 31,2015.
Split into simpler sentences: The Secret Life of Marilyn Monroe is a 2015 American made-for-TV drama film on Marilyn Monroe. It will star Kelli Garner, Susan Sarandon, Emily Watson, Jeffrey Dean Morgan, and Eva Amurri Martino to be aired on Lifetime on May 30 and May 31,2015.