The Alien Within

Dr. Henry Lazarus

Jedidiah Pickett

Louis

Wyatt

Brill

Hawkes

Fife

Russian Officer

Russian Boy

Shot in eighteen days.

The password to activate the self-destruct device on the undersea platform is shown on the screen to be "Nostromo". Nostromo was also the name of the interstellar mining ship from the original Alien (1979) movie; a movie from which The Alien Within borrows heavily.

Richard Biggs is listed in the end credits as Richard Briggs.

In the second to last scene with the flamethrowers there is a shot of a fire extinguisher putting out the flaming stuntman on the ground in the middle of shots of the standing stuntman being sprayed by the flamethrowers.