 Erik ThompsonSelf - Narrator (voice) | Self - Narrator (voice) |
 John F. KennedySelf (archive footage) | Self (archive footage) |
 Buzz AldrinSelf (archive footage) | Self (archive footage) |
 Walter CronkiteSelf (archive footage) | Self (archive footage) |
 Neil ArmstrongSelf (archive footage) | Self (archive footage) |
 Jim LovellSelf - Apollo Program Astronaut (voice) | Self - Apollo Program Astronaut (voice) |
 John GlennSelf (archive footage) | Self (archive footage) |
| MMichael CollinsSelf (voice) | Self (voice) |
 Gene KranzSelf (archive footage) | Self (archive footage) |
| HHarrison SchmittSelf (archive footage) | Self (archive footage) |
 Gordon CooperSelf (archive footage) | Self (archive footage) |
 Charlie DukeSelf - Apollo Program Astronaut (voice) | Self - Apollo Program Astronaut (voice) |
| FFred HaiseSelf - Apollo Program Astronaut (voice) | Self - Apollo Program Astronaut (voice) |
| GGerry GriffinSelf - Flight Director, Apollo 11 (voice) | Self - Flight Director, Apollo 11 (voice) |
 Gus GrissomSelf (archive footage) | Self (archive footage) |
 Charles ConradSelf (archive footage) | Self (archive footage) |
| AAl WordenSelf - Apollo Program Astronaut (voice) | Self - Apollo Program Astronaut (voice) |
 Edward H. White IISelf (archive footage) | Self (archive footage) |
| JJoann MorganSelf - Instrumentation Controller, Apollo 11 (voice) | Self - Instrumentation Controller, Apollo 11 (voice) |
| JJay BarbreeSelf - NBC Space Correspondent (voice) | Self - NBC Space Correspondent (voice) |
 Walter CunninghamSelf - Apollo Program Astronaut (voice) | Self - Apollo Program Astronaut (voice) |
 Bill AndersSelf - Apollo Program Astronaut (voice) | Self - Apollo Program Astronaut (voice) |
 Roger B. ChaffeeSelf (archive footage) | Self (archive footage) |
| GGlynn LunneySelf - Flight Director, Apollo 11 (voice) | Self - Flight Director, Apollo 11 (voice) |
 Jack KingSelf (archive footage) | Self (archive footage) |
| JJerry SchaberSelf - Geologist, Apollo 11 (voice) | Self - Geologist, Apollo 11 (voice) |
| KKotcho SolacoffSelf (voice) | Self (voice) |
| BBob YoungSelf (archive footage) | Self (archive footage) |
| JJerry GoodmanSelf - Apollo Engineer (voice) | Self - Apollo Engineer (voice) |
| RRick WeissSelf - Propulsion Engineer, Apollo 11 (voice) | Self - Propulsion Engineer, Apollo 11 (voice) |
