He's a set designer.

How do you know there was a murder? This looks like you, Jeremiah. Yes, it was possible. Hey, Kilroy! You let them take an imperial prisoner f… Hey, Frank. Baker asked me to bring him. You get something? Why ask me? I suppose it must have been the stocking… You can finish that in the morning. Find Sue Randolph for me. You played straight man to a chimpanzee. Her Majesty wishes to retire now. Edie called me this morning.