| Ann O'Hara |  The ship is vanishing-- going back to its own world! But what did the robot say to you-- to make you turn so deathly pale?  |
| Cliff Sutherland | He said: "You misunderstand, human...it is I who am the master!" |
Appearing in "Farewell to the Master!"
Featured Characters:
- Gnut (First appearance) (Alien Robot) (Main story and flashback)
- Klaatu (First appearance; dies) (Main story and flashback)
Supporting Characters:
- Ann O'Hara (First appearance)
- Cliff Sutherland (First appearance)
Antagonists:
- Klaatu's Assassin (Unnamed) (Main story and flashback)
- Gorilla (First appearance; dies)
Other Characters:
- Bill Stillwell (Main story and flashback)
- MPDC (Only in flashback)
- United States Army (Main story and flashback)
- General Withers (First appearance) (Only in flashback)
- Sam (Only in flashback)
- Unnamed Sergeant
- Robbie the Robot (Mentioned)
- FBI
Races and Species:
- Humans
- Robots
- Unidentified alien species
- Mice (Referenced)
- Birds
- Gorillas
- Elephants (Mentioned)
- Flies (Referenced)
Locations:
Vehicles:
- Alien Spacecraft
Synopsis for "Farewell to the Master!"
- Synopsis not yet written
Notes
- Cover art modifications by Romita.
- Adapted from the story by Harry Bates.