Neil Patrick Harris
J.C. Leyendecker (voice)
Acting
Jari Jones
Self
Acting
Judy Goffman Cutler
Self
Acting
Jennifer A. Greenhil
Self
Acting
John T. Nash
Self
Acting
Brian Donlevy
Archival Footage
Acting
John Barrymore
Archival Footage
Acting
Fredric March
Archival Footage
Acting