While on a mission, three astronauts in their spaceship get caught in a time vortex. They return to Earth in the year 3979 A.D. and discover that intelligent apes are now the highest form of life.
| Actor | Role |
|---|---|
 Austin StokerJeff Allen (voice) | Jeff Allen (voice) |
| PPhilippa HarrisDr. Zira (voice) | Dr. Zira (voice) |
 Henry CordenGeneral Urko (voice) | General Urko (voice) |
 Richard BlackburnDr. Zaius (voice) | Dr. Zaius (voice) |
| EEdwin MillsDr. Cornelius (voice) | Dr. Cornelius (voice) |
 Claudette NevinsNova / Judy Franklin (voice) | Nova / Judy Franklin (voice) |
| TTom WilliamsBill Hudson (voice) | Bill Hudson (voice) |