| KKathy SandersSelf | Self |
| NNancy ShawSelf | Self |
| MMarsha KimbleSelf | Self |
| BBud WelchSelf | Self |
| LLaDonna Battle-LeverettSelf | Self |
| DDaniel CossSelf – Former Oklahoma Police Officer | Self – Former Oklahoma Police Officer |
 Mike BoettcherSelf – Investigative Reporter | Self – Investigative Reporter |
| BBob SandsSelf – Investigative Reporter, NBC | Self – Investigative Reporter, NBC |
 Bill ClintonSelf – U.S. President (1993-2001) | Self – U.S. President (1993-2001) |
| DDanny CoulsonSelf – Former FBI Special Agent | Self – Former FBI Special Agent |
 Bob RicksSelf – Former FBI Special Agent | Self – Former FBI Special Agent |
| DDan HerbeckSelf – Co-Author, 'American Terrorist' | Self – Co-Author, 'American Terrorist' |
 Kerry NobleSelf – Former Extremist | Self – Former Extremist |
| SStuart A. WrightSelf – Author, 'Patriots, Politics, and the OKC Bombing' | Self – Author, 'Patriots, Politics, and the OKC Bombing' |
| SStephen JonesSelf – Attorney | Self – Attorney |
 Asa HutchinsonSelf – Former U.S. Attorney - Arkansas | Self – Former U.S. Attorney - Arkansas |
| KKathleen BelewSelf – Author, 'Bring the War Home' | Self – Author, 'Bring the War Home' |
| SSteven SnyderSelf – Former Assistant U.S. Attorney | Self – Former Assistant U.S. Attorney |
| LLou MichelSelf – Co-Author, 'American Terrorist' | Self – Co-Author, 'American Terrorist' |
| MMollie McDermottSelf – Childhood Friend of Timothy McVeigh | Self – Childhood Friend of Timothy McVeigh |
 Jeffrey ToobinSelf – Author, 'Homegrown' | Self – Author, 'Homegrown' |
| MMichael LiwickiSelf – Former FBI Special Agent, Buffalo | Self – Former FBI Special Agent, Buffalo |
| AAitan GoelmanSelf – Former Assistant U.S. Attorney | Self – Former Assistant U.S. Attorney |
| BBeth WilkinsonSelf – Former Assistant U.S. Attorney | Self – Former Assistant U.S. Attorney |
| CCarol HoweSelf (archive footage) | Self (archive footage) |
| CClark BrewsterSelf – Attorney for Carol Howe | Self – Attorney for Carol Howe |
| RRichard ReynaSelf - Investigator for McVeigh's Defense Team | Self - Investigator for McVeigh's Defense Team |
 William Luther PierceSelf (archive audio) | Self (archive audio) |
 Rush LimbaughSelf (archive audio) | Self (archive audio) |
 G. Gordon LiddySelf (archive audio) | Self (archive audio) |
