If the spy/agent place is taken, I'll move onto something else happily enough. I was pondering using an eloquently spoken pathological liar human girl with cybernetic enhancements in that position, but that's just one of many.
^^ This gives me a fun idea all in itself.
Helmsman/Pilot: steers the ship, ideally while sober
ideally while sober
^^ This gives me a fun idea all in itself.