Earth police detective Lije Baley and his robot associate, R. Daneel Olivaw, investigate an impossible murder on a planet where physical proximity is taboo but nudity is not.
| Actor | Role |
|---|---|
 Paul MaxwellElijah Baley | Elijah Baley |
 Trisha NobleGladia | Gladia |
 David CollingsR. Daneel Olivaw | R. Daneel Olivaw |
 Frederick JaegerLeebig | Leebig |
 John RobinsonQuemot | Quemot |
 Neil HallettGruer | Gruer |
 Ronald Leigh-HuntAttlebish | Attlebish |
 Paul StassinoRikaine | Rikaine |
 Sheila BurrellMinnim | Minnim |