An elusive, Prisma-like font...

Hello all. Can anyone help me identify the display face used in this poster for Again, A Time Machine? I thought it was Prismaset, but I do not believe it is. I just assumed it was custom made, but it is worth a shot to see otherwise.

http://www.theshowroom.org/programme.html?id=508,521&mi=561

Comments

Looks like it is "Twin":
http://typophile.com/node/82816