Netherbeast Incorporated

Netherbeast Incorporated is a 2007 independent film directed by Dean Ronalds and written by Bruce Dellis. It is an undead office comedy concerning a telephone company in Arizona staffed entirely by flesheating, vampirelike employees who refer to themselves as Netherfolk. Historical figures such as President James Garfield and Alexander Graham Bell are woven into the story. The film premiered at the 2007 AFIDallas Film Festival. Steven Burns, the exhost of Blues Clues appears in this film as Otto Granberry, a likable vampire worker.

Source: Wikipedia