Cast members of the television and movie series "Star Trek" reminisce about the making of the series and the films, and give their opinions on why the series has been so successful.
| Actor | Role |
|---|---|
 William ShatnerHost | Host |
 Leonard NimoySelf | Self |
 DeForest KelleySelf | Self |
 James DoohanSelf | Self |
 Walter KoenigSelf | Self |
 Nichelle NicholsSelf | Self |
 George TakeiSelf | Self |
| DD.C. FontanaSelf | Self |