 | Kathy Sanders als Self |
| Nancy Shaw als Self |
| Marsha Kimble als Self |
| Bud Welch als Self |
| LaDonna Battle-Leverett als Self |
| Daniel Coss als Self – Former Oklahoma Police Officer |
 | Mike Boettcher als Self – Investigative Reporter |
| Bob Sands als Self – Investigative Reporter, NBC |
 | Bill Clinton als Self – U.S. President (1993-2001) |
| Danny Coulson als Self – Former FBI Special Agent |
 | Bob Ricks als Self – Former FBI Special Agent |
| Dan Herbeck als Self – Co-Author, 'American Terrorist' |
 | Kerry Noble als Self – Former Extremist |
| Stuart A. Wright als Self – Author, 'Patriots, Politics, and the OKC Bombing' |
| Stephen Jones als Self – Attorney |
 | Asa Hutchinson als Self – Former U.S. Attorney - Arkansas |
| Kathleen Belew als Self – Author, 'Bring the War Home' |
| Steven Snyder als Self – Former Assistant U.S. Attorney |
| Lou Michel als Self – Co-Author, 'American Terrorist' |
| Mollie McDermott als Self – Childhood Friend of Timothy McVeigh |
 | Jeffrey Toobin als Self – Author, 'Homegrown' |
| Michael Liwicki als Self – Former FBI Special Agent, Buffalo |
| Aitan Goelman als Self – Former Assistant U.S. Attorney |
| Beth Wilkinson als Self – Former Assistant U.S. Attorney |
| Carol Howe als Self (archive footage) |
| Clark Brewster als Self – Attorney for Carol Howe |
| Richard Reyna als Self - Investigator for McVeigh's Defense Team |
 | William Luther Pierce als Self (archive audio) |
 | Rush Limbaugh als Self (archive audio) |
 | G. Gordon Liddy als Self (archive audio) |
 | Katie Couric als Self (archive footage) |
 | Timothy McVeigh als Self (archive footage) |
| Michael Fortier als Self – Friend of Timothy McVeigh (archive footage) |
| Jim Ellison als Self – CSA Leader (archive footage) |
 | Richard Butler als Self – Aryan Nations Leader (archive footage) |
| Louis Beam als Self – KKK Leader (archive footage) |
 | George H. W. Bush als Self (archive footage) |
 | Randy Weaver als Self (archive footage) |
| Terry Nichols als Self (archive footage) |
| Andreas Strassmeir als Self (archive footage) |
| Marc Levin | Director |
| Marc Levin | Producer |
| Daphne Pinkerson | Producer |
| Katie Couric | Executive Producer |
| Nancy Abraham | Executive Producer |
| Aurielle Akerele | Associate Producer |
| Lisa Heller | Executive Producer |
| Sara Rodriguez | Executive Producer |
| Ken Sirulnick | Colorist |
| Mahrya MacIntire | Producer |
| Michael J. Palmer | Editor |
| Elizabeth Rose Sehring | Coordinating Producer |
| Anthony Pedone | Creative Producer |
| Jordan Fisher | Director of Photography |
| Daniel Levesque | Associate Producer |
| Robert Brooks | Associate Producer |
| Henry Moskowitz | Co-Editor |
| John Maidman | Co-Editor |
| James Lester | Co-Editor |
| Wendy Blackstone | Original Music Composer |
| Geof Bartz | Consulting Editor |
| K.A. Miille | Consulting Editor |
| Aurielle Akerele | Assistant Editor |
| Amir Royale | Assistant Editor |
| Sally Volkmann | Associate Editor |
| Daniel Levesque | Associate Editor |
| Wendy S. Painting | Consulting Producer |
| Holly Sweet | Consulting Producer |
