One of Harry Callahan's superiors, who appears in the last two fims Sudden Impact and The Dead Pool. He is a lieutenant in Sudden Impact and a captain in the Dead Pool. He is generally more on Harry's side and defense compared to Harry's other superiors (save perhaps Lt. Bressler). In Sudden Impact he decides to send Harry to San Paulo to investigate Wilbur's background information regarding his murder. He is frustrated that death and destruction surrounds Callahan but has concern for Callahan's safety. In the Dead Pool he returns again as Harry's boss and partners him with Al Quan. He along with Harry gets annoyed by Lt. Ackerman. Donnelly also lets Harry get away with a lot more stuff compared to his previous superiors. He was played by actor Michael Currie.