of his original human form. He is eventually defeated by Claire and Leon, with the help of his daughter Sherry. Birkin is mentioned in Wesker's Report as the scientist who helped Wesker fake his death and is retroactively mentioned in the GameCube remake of the first Resident Evil. He also makes an appearance in Resident Evil Zero, where he assists Wesker from behind the scenes, and also appears in a cutscene in The Umbrella Chronicles along with Albert Wesker. In the first Resident Evil film, Birkin makes an uncredited cameo appearance portrayed by Jason Isaacs as the head of the Nemesis project, who was also the film's narrator. According to an audio commentary by Paul W. S. Anderson, Isaacs was planned to reprise this role in the sequel Resident Evil: Apocalypse, but left the project for undisclosed reasons, so an original character named Dr. Alexander Isaacs (played by Iain Glen) was created to fulfill Birkin's role in the sequel. In the reboot film Resident Evil: Welcome to Raccoon City (2021), Birkin is played by Neal McDonough, appearing as the main antagonist of the film. Fictional organizations BSAA The BSAA (Bioterrorism Security Assessment A'''lliance), is a private military company formed between the events of Resident Evil 4 and Resident Evil 5. It was founded by Jill Valentine, Chris Redfield, Clive R. O'Brian, and eight others after the fall of Umbrella, with the aim of combating the increasing numbers of B.O.W.s being sold on the black market. Originally a non-government organization, the BSAA was placed under United Nations Security Council control when the U.S. government funded Federal Bioterrorism Commission (FBC) was revealed to be corrupt. Parker Luciani Voiced by: Mitsuru Miyamoto Parker was originally a member of the FBC tasked with helping out during the 2004 Veltro terrorist attack of Terragrigia. However he and his partner Jessica Sherawat barely managed to make it out alive and fled into the FBC building. During their trip to the Command Room, they met and saved the new cadet, Raymond Vester. He and Parker then bonded. At the command room, they met Morgan Lansdale, who was collaborating with Jack Norman, and in the midst of betraying him. After that, the group escaped the city. In 2005, Parker and Jill followed Chris and Jessica's last known coordinates to a stranded cruise ship named Queen Zenobia in the Mediterranean Sea. They realized that the entire crew of the