Writer of five Get Smart episodes in collaboration with Phil Hahn.
- #70: "That Old Gang of Mine"
- #76: "The Little Black Book, Part 1"
- #77: "The Little Black Book, Part 2"
- #84: "The Hot Line" (teleplay; story by Red Benson)
- #85: "Die, Spy" (teleplay; story by Gerald Gardner and Dee Caruso)
Note that for the "The Little Black Book" two-parter, the usual Hahn-Hanrahan credit is reversed.
The opposing attorneys in the courtroom scene of Episode #78 "Don't Look Back" were named Hahn and Hanrahan.
See IMDb entry.