Frank Cubitoso is the FBI chief of New Jersey division who is constantly looking for new insight on the ongoing Soprano/DiMeo case. He successfully coordinates a mission to put the Soprano residence under surveillance by the use of an old lamp in their basement. The operation ends when Meadow takes the old lamp to college. He also pressures Adriana La Cerva into wearing a wire which leads to her confession and death. When Agent Sanseverino worries after Adriana disappears, Cubitoso decides it is time to move on.
- Played by: Frank Pellegrino
- Appears in: "I Dream of Jeannie Cusamano", "The Knight in White Satin Armor", "Funhouse", "Mr. Ruggerio's Neighborhood", "Another Toothpick", "...To Save Us All From Satan's Power", "The Army of One", "No Show", "Watching Too Much Television", "Rat Pack", "Irregular Around the Margins", "Long Term Parking"