Sam Casey is an agent for INTERSECT, a government think-tank and operations center specializing in secret missions. While on a diving assignment, Sam was affected by the radiation from an underwater explosion. The radiation rendered him invisible, but INTERSECT devised a way to control his invisibility, by fitting him with a computerized watch that kept him visible. He could, however, shut it off, and become invisible again, for short periods of time. If he did this for more than 15 minutes in any 24 hour period he would die. This ability to become invisible made him a very effective agent.
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Ben Murphy
Sam Casey
William Sylvester
Leonard Driscoll
Katherine Crawford
Dr. Abby Lawrence
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6 episodes • 1976
| # | Episode | Air Date | Rating |
|---|---|---|---|
| 1 | The Gemini Man (pilot) | May 10, 1976 | 0.0 |
| 2 | Smithereens | Sep 23, 1976 | 0.0 |
| 3 | Minotaur | Sep 30, 1976 | 0.0 |
| 4 | Sam Casey, Sam Casey | Oct 7, 1976 | 0.0 |
| 5 | Night Train to Dallas | Oct 14, 1976 | 0.0 |
| 6 | Run Sam, Run | Oct 28, 1976 | 0.0 |
