Dr. Murnau, the scientist who seals up himself and his team in BioTek's cafeteria, was never credited in the film, so nobody knows which actor played the role. It is possible that his actor didn't want to be recognized for working in the film, or that the cast information on him was left out by mistake and then lost.
The uncredited actor who played the doctor, who's team is kept in the cafeteria, is Bernard Behrens.
The bio-hazard project codename, "Blue Harvest", was also the original production codename for Le Retour du Jedi (1983) in 1983. Both films were released by Twentieth Century Fox.
The working title for the film was "Biohazard".
(at around 50 mins) Early in the containment phase, but after video connection to the building is severed due to power loss, one of the technicians starts playing Crystal Castles (1983) on one of the response truck's terminals.