| Alphonse Michael "Gee" Giardello Sr. | |
|---|---|
 Shift Commander Lieutenant Al 'Gee' Giardello | |
| First appearance | January 31, 1993 (1x01, "Gone for Goode") |
| Last appearance | May 21, 1999 (7x22, "Forgive Us Our Trespasses") (HLOTS) February 13, 2000 Homicide: The Movie |
| Created by | Tom Fontana |
| Portrayed by | Yaphet Kotto |
| In-universe information | |
| Nickname | Gee |
| Gender | Male |
| Title | Lieutenant |
| Occupation | Shift Commander of Homicide Unit (formerly) |
| Family | Rosina Giardello (grandmother) |
| Spouse | Joanne (deceased) |
| Children | Mike Giardello (son) Teresa (daughter) Charisse (daughter) |
| Relatives | Al (grandson) Mario (cousin) |
Alphonse Michael 'Gee' Giardello Sr. is a fictional character from the television drama Homicide: Life on the Street. The character was played by Yaphet Kotto. He is based on Baltimore Police Department Shift Lieutenant Gary D'Addario, a member of the BPD homicide unit described in David Simon's book Homicide: A Year on the Killing Streets which served as the inspiration for the series as a whole. The character also appeared in the Law & Order episode "Baby, It's You".