Conversation so far:
when was the first reality tv show aired?
The first reality show in the modern sense may have been the series The American Sportsman, which ran from 1965 to 1986
what network did the show The American Sportsman appear?
The American Sportsman appeared on ABC.
from what country did the show The American Sportsman originate?
United States
what was the show The American Sportsman about?
A typical episode featured celebrities, sometimes their family members, being accompanied by a camera crew on an outdoor adventure, the resulting action and dialogue being unscripted, except for the narration.

Question: what celebrities have appeared on the show?
Self-contained rewrite: what celebrities have appeared on the show The American Sportsman?