Rebecca Luker has died aged 59 after battling ALS (amyotrophic lateral sclerosis).The television and Broadway star passed away on Wednesday, leaving her family and friends devastated.ALS is a progressive neurodegenerative disease and Rebecca was diagnosed with the illness last year.Her agent Sarah Fargo confirmed her death to The New York Times.Rebecca is known for starring in television shows including Boardwalk Empire, Good Wife and Law & Order: Special Victims Unit.The three-time Tony Award nominee made her Broadway debut in The Phantom of the Opera in 1988.She played an array of iconic characters in theatre, including he Fairy Godmother in Cinderella, Winifred in Mary Poppins, Helen in Fun Home, and Claudia Nardi in Nine.More to.