Sean Keyes

Sean Keyes was played by Jake Busey in the film The Predator.

Biography
He was a son of Peter Keyes. He was a scientist and he also became a member of Project Stargazer. As such he was aware of the Predators and he helped Casey Bracket when she was introduced into the project by showing her around and explaining that she had been introduced, because they wanted her to analyse the Fugitive Predator who had been brought in for analysis.

Later he analysed the Fugitive Predator together with Bracket and Will Traeger, the head of Stargazer. However, the Predator was able to break free and escape, wounding him and killing many others on he way, too. After that he told Casey Bracket to go after it, which she did.