Male
Michael O'Neill can be seen using the following weapons in the following films and television series:
| Character | Firearm | Notes |
|---|---|---|
| Ray Brooks | Glock 17 | "Family Fire" (S3E11) |
| Character | Firearm | Notes |
|---|---|---|
| Gary Clark | Beretta 92FS | "Sanctuary" (S6E23), "Death and All His Friends" (S6E24) |
| Character | Firearm | Notes |
|---|---|---|
| Herb Stanton | M1911A1 | "Deal or No Deal" (S4E13) |
| Character | Firearm | Notes |
|---|---|---|
| Ron Cheals | M1911A1 | "Dedication" (S1E07) |
| Ron Cheals | M4A1 carbine | RIS foregrip, ACOG sight, "Exposure" (S1E11) |
| Character | Firearm | Notes |
|---|---|---|
| Ralph | Lee-Enfield No. 1 Mk III* | fitted with bayonet |
| Character | Firearm | Notes |
|---|---|---|
| CTU Director Richard Walsh | Beretta 92FS | suppressed, "1:00A.M. - 2:00A.M." (S1E02) |
| Character | Firearm | Notes |
|---|---|---|
| Det. Greene | Smith & Wesson Model 66 | - |