In USS Callister Robert Daley was played by Jessie Plemons who played Todd in Breaking Bad. Aaron Paul who was Jesse Pinkman in Breaking Bad played Todd in Bojack Horseman. Todd from Bojack was also the first asexual character to be honestly and realistically portrayed in a tv show. Daley also appears to be asexual - no kissing with tongues and no genitals or bum holes for any of his crew, even the girl he appears to have a crush on.
Also, they both wear yellow beanie hats.