Numfar (ou Namphar) foi secretamente retratado pelo criador da série Angel, Joss Whedon. De acordo com Andy Hallett , a dança não foi incluída no roteiro de filmagem, o que sugere que ela foi largamente improvisada.
Q. Dance of Joy? How could you keep a straight face during the shoot - in other words, how many takes did it take?
A. A lot! But I didn’t know it was him. He was keeping it a secret...And then I saw Namphar and he did his dance and I thought "Oh my god! Who IS this guy?" I thought he was trash. And... how did I find out? He yelled "Cut!"