Sincerely Yours: Reparto
Michael Lehmann
Self
John Kapelos
Self
Ally Sheedy
Self
Diablo Cody
Self
Judd Nelson
Self
Anthony Michael Hall
Self
Hank Stuever
Self
Marilyn Vance
Self
Marcos Siega
Self
Amy Heckerling
Self
Owen Gleiberman
Self
Jeffrey Sconce
Self
Molly Ringwald
Claire Standish (archive footage) (uncredited)
Emilio Estevez
Andrew Clark (archive footage) (uncredited)
Paul Gleason
Richard Vernon (archive footage) (uncredited)