Marvin - Ryan Snyder very depressed, far too smart, robot. Don't talk to me about life. Come and talk to me, I'm from a different planet. Prostetnic Vogon Jeltz - Matt Bradley Snub and impatient. Vogon Guard - Cort Dougan mean, bossy, shouts a lot, but persuadable.
Resistance is useless.
The secreat is to bang the rocks together, guys. Gag Halfrunt - Matt Bradley Zaphod Beeblebrox's private brain care speciallist. Zaphod's just this guy you know. The exceedingly happy shipboard computer.