A roster of film, TV and theater all-stars — including Steve Martin, Annette Bening, Billy Porter, Audra McDonald, Cynthia Nixon, Kristin Chenoweth, David Hyde Pierce and Rosie Perez — have signed up for a 10-hour telethon to raise money for the victims of the war in Ukraine.

FILE - In this April 10, 2014, file photo, actor Nick Cordero attends the after-party for the opening night of "Bullets Over Broadway" in New York. Tony Award-nominated actor Cordero, who specialized in playing tough guys on Broadway in such shows as Waitress, A Bronx Tale and Bullets Over Broadway, has died in Los Angeles after suffering severe medical complications after contracting the coronavirus. Cordero died Sunday, July 5, 2020, at Cedars-Sinai hospital after more than 90 days in the hospital, according to his wife, Amanda Kloots. (Photo by Brad Barket/Invision/AP, File)

FILE - In this April 10, 2014, file photo, actor Nick Cordero attends the after-party for the opening night of "Bullets Over Broadway" in New York. Tony Award-nominated actor Cordero, who specialized in playing tough guys on Broadway in such shows as Waitress, A Bronx Tale and Bullets Over Broadway, has died in Los Angeles after suffering severe medical complications after contracting the coronavirus. Cordero died Sunday, July 5, 2020, at Cedars-Sinai hospital after more than 90 days in the hospital, according to his wife, Amanda Kloots. (Photo by Brad Barket/Invision/AP, File)NEW YORK Tony Award-nominated actor Nick Cordero, who specialized in playing tough guys on Broadway in such shows as Waitress, A Bronx Tale and Bullets Over Broadway, has died in Los Angeles after suffering severe medical complications after contracting the coronavirus. Cordero died Sunday at Cedars-Sinai hospital after more than 90 days in the hospital, according to his wife, Amanda Kloots.