This was first performed at Westercon XX, 1 July 1967.
The second performance was at Boskone 9, 15 April 1972.
| Dramatis Personae | |
| Captain Future, a.k.a. Curtis Newton | A. Joseph Ross |
| Otho, an android | Fred Isaacs |
| Simon Wright, a disembodied brain | himself |
| Grag, a robot | Drew Whyte |
| Little Asteroid | Selina Lovett |
| Ezra Gurney, Marshall of the Planet Patrol | Larry Niven (originally written for Edmond Hamilton) |
| Joan Randall, fiancee of Captain Future | Karen Blank |
| The Master of the Universe | Richard Harter (originally written for Isaac Asimov) |
| Director | Marsha Elkin |
| Musical Director and Accompanist | Morris Keesan |
| Set Design | Howard Green |
| Rehearsal Assistants | Georgine Chacran Jean Berman Mike Di Genio |