Santiago Cohen is responsible this. As always his designs are stellar, this time matched by a loving soundtrack by Macy Gray.
Santiago also did a lot of the animation. I was in a foul mood the whole production because I felt HBO was screwing the studio. Funny, today, if the situation were the same at my own company I wouldn't mind. I also like to think that such a situation wouldn't arise.
In addition to El San, I did several scenes and a lot of inbetweening although I can't remember exactly what -none of it looks the right kind of amateur to be me work. I'm pretty sure Scott Dodson helped on this animation, and I think Casey Saffron was an assistant at the studio around this time. I'm certain that Alex Reshanov did the compositing and a lot of the art production. I also suspect Valerie Cardon did the inking, it looks good.
Amy Schatz produced and directed the show, "Twas the Night" for HBO. Michael Sporn, Jeff Scher, Nadia Rosen, and Maciek Albrecht also contributed segments.