sister act stars an american actress
featuring musical arrangements by marc shaiman  the film stars whoopi goldberg as a reno lounge singer who has been put under protective custody in a san francisco convent of poor clares and has to pretend to be a nun when a mob boss puts her on his hit list
caryn elaine johnson lrb born november 13  1955 rrb  known professionally as whoopi goldberg lrb lsb whpi rsb rrb  is an american actress  comedian  author and television host