The roles of Rick and Paul were written with Andy Blithe and Nick Elliott in mind
Byte Size (Steve Knight) mentions that he's been getting good at magic over the past few years. Knight was a professional magician by trade.
When Steve Knight was cast he offered the team a list of different hacker names for his character, "Byte Size" being one of them. The writers loved the name so much that they decided to use it in the screenplay
The title Diamond Dogs is a homage to Reservoir Dogs (1992) Dog Day Afternoon (1975) and David Bowie's 1974 song under the same name
Andy Blithe and Leonardo Martin both played uncredited mercenaries in One Ranger (2023)