Lieutenant (later Captain) "Mac" Mahon appears in Speed and Speed 2: Cruise Control. He was played by Joe Morton in both appearances.
He is the superior officer of Jack Traven, Harry Temple and Alex Shaw. He helps them in dealing with the bomber in any way he can.
| Speed film series Characters | |
|---|---|
| Characters in Speed | |
| Heroes | Jack Traven - Annie Porter |
| Villain | Howard Payne |
| Allies | Harry Temple - Lt. "Mac" McMahon - Sgt. Norwood - Robin Barnette |
| Other characters | Doug Stephens - Ortiz - Sam - Helen - Mrs. Kamino - Ray - Maurice - Mr. Bagwell - Bob - Vince - Mrs. McMahon |
| Characters in Speed 2: Cruise Control | |
| Heroes | Alex Shaw - Annie Porter |
| Villain | John Geiger |
| Allies | Juliano - Merced - Maurice - Marifa - Liza |
| Other characters | Capt. Polard - Captain "Mac" McMahon - Esterhaus - Mr. Kenter - Dante - Frank - Fran - Ruby - Isabel - Rupert - Alejandro - Sheri Silver - Ashton - Celeste - Drew - Debbie - Harvey |