 | Jamey Sheridan als Terry (voice) |
 | Chris Cooper als Gary (voice) |
 | Ethan Hawke als Pat (voice) |
 | John Slattery als Arthur (voice) |
 | Brady Bryson als Deaf Child |
 | Pope Pius XI als Himself (archive footage) |
 | Benito Mussolini als Himself (archive footage) |
| Rembert Weakland als Self - Archbishop of Milwaukee, 1977-2002 |
| Alex Gibney | Screenplay |
| Alex Gibney | Director |
| Sloane Klevin | Editor |
| Lisa Rinzler | Director of Photography |
| Sheila Nevins | Executive Producer |
| Isaac Gardner | Art Department Production Assistant |
