Dirty Harry (2007 video game) from the film as Clint Eastwood never recorded a voice over for the video game. Warner Bros. was reluctant to release details on the gameplay, but offered a few hints. While it was never confirmed, it appears that "Dirty Harry" was to offer a free-roaming San Francisco. "The city of San Francisco can be a character", Warner Bros. Jason Hall said, "It can live". One key aspect of gameplay was discussed in slight detail. As in the films, Harry Callahan walks the line between bad cop and psychopath. Players were also to walk that line. The game was to feature
William M. Callaghan the Maritime Transportation Research Board under the National Academy of Sciences. He would later have a transport ship named after him: the . Late in life, Callaghan resided in Chevy Chase, Maryland. Following a stroke, he died on July 8, 1991, at Bethesda Naval Hospital. His first wife, Helen Brunett Callaghan (1896–1970), and second wife, Martha Rawlins Callaghan (1905–1973), predeceased him. He was survived by his third wife, Sarah Duerson Callaghan (1914–2011), and two children, William M. Callaghan Jr. (a retired US Navy rear admiral) and Jane Callaghan Gude (c. 1925–2008), as well as eight grandchildren. Callaghan's grandchildren include William