The weekly adventures of Dr. Daniel Westin, an invisible scientist working as an agent for a private thinktank.




1976   1975  


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Complete series cast summary:
 Walter Carlson 12 episodes, 1975-1976


Dr. Daniel Westin was a scientist working with a government thinktank known as the KLAE Corporation who was rendered invisible by a formula concocted by himself that was supposed to be used for matter transformation. Before he can return to normal, Westin discovers the federal government has plans to use his invisibility formula for warlike purposes, so he destroys the only formula. Unfortunately he has no way to become visible again, so, wearing a very realistic face mask and hands, he becomes an agent for KLAE, fighting crime and battling saboteurs, while simultaneously working in KLAE's laboratory with wife Kate to rediscover his formula. Walter Carlson was their sympathetic boss at KLAE. Written by Marty McKee <>

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Adventure | Sci-Fi





Release Date:

6 May 1975 (USA)  »

Also Known As:

Der Unsichtbare  »

Company Credits

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Technical Specs


(14 episodes)

Sound Mix:



Aspect Ratio:

1.33 : 1
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Did You Know?


Due to a tight filming schedule many of the special effects scenes of where Dr Westin would undress on camera by removing or putting on his 'synthetic skin' adornments were actually done live on set. A camera would be set up and locked off in a studio where the scene was supposedly taking place whilst David McCallum would be filmed in the opposite corner of the same studio wearing a blue body suit against a blue background watching the action live and interacting appropriately with the rest of the actors on the other set. The camera crew superimposed him in real time onto the live other scene using the chroma key technique (similar to how weather forecasters work when standing in front of a blue/green screen whilst the data appears behind them. This not only saved a considerable amount of time in post production but also saved money. However the downside was that as the two images were filmed and recorded live then there were limited options for the editing crews to use and sometimes the quality of the merged video images appeared a bit fake (for example skin tones often did not look right) and it was impossible to correct due to the technical limitations of electronic television camera & videotape technology of the time. See more »

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User Reviews

Wonderful show
29 January 2008 | by See all my reviews

This didn't last long enough if you ask me. This TV show was one of my favorite little shows back when I was 14-15 years old. I was in hella love with David McCallum, particularly after seeing him in The Man from U.N.C.L.E. and that Outer Limits episode where he grows a giant head from attaining so much intelligence. (You know I was glad when he returned to normal!) It seems the show was suffering from special effects and script quality issues which may have bothered adults of the time, but for kids and young teens, this show was fantastic! Maybe they geared it to the wrong demographic.

Whatever the case, I'm happy I was able to experience and enjoy it back then. Lots of TV shows (The Immortal, The Man From Atlantis, The Magician, to name a few) that were great for kids and teens got cancelled too soon and that was really too bad. I remember loving the fact that he was running around unclothed and doing good deeds. Some station should reshow those fourteen episodes. I'd watch them and remember the good old days. We didn't know how good we had it back then.

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