At the end of his figure skating performance, when the last note of his parents’ favorite song played in an arena packed with spectators and heavy with sorrow, Maxim Naumov dropped to his knees at the center of the ice. He remained there for what seemed like forever, awash in a spotlight, looking lost and sobbing.

Nathan Chen, Nancy Kerrigan and Peggy Fleming are among the figure skaters added to the cast of a benefit event this weekend in Washington, D.C., for victims of the midair collision and crash outside Ronald Reagan International Airport.