Shaft, the animation studio that worked on Puella Magi Madoka Magica and Bakemonogatari, is making an animated opening for Fate/Extra CCC.
Famitsu also introduces a few characters:
Karna voiced by Koji Yusa (Croix in Ar tonelico II)
Jineko voiced by Aoi Uki (Cyril in Sol Trigger)
Lancer (described as a "mysterious servant") voiced by Rumi Okubo (Pisti in Magi: The Labyrinth of Magic)
Fate/Extra CCC is scheduled to come out on February 21.