Michael Keaton
Himself
Judd Apatow
Himself
Sarah Silverman
Herself
John Lithgow
Himself
Whoopi Goldberg
Herself
Esperanza Spalding
Herself
Joyce DiDonato
Herself
Yo-Yo Ma
Himself
Nicholas Ma
Himself
Itzhak Perlman
Himself
Caroll Spinney
Himself
Joe Negri
Himself
David Newell
Himself
Joanne Rogers
Herself