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.