- King Charles - Don Adams (uncredited)
- Rupert of Rathskeller - James Caan (credited as "Himself")
- Colonel Von Klaus - John Doucette
- Deliveryman - Allan Kent
- Otto - Pat McCormick (uncredited)
Weapons and Gadgets
- Caronian Embassy
- This episode is unusual in that the writers and director are not the same as those for part one.
- The title refers to the 1967 film (based on the 1959 novel) and hit song To Sir, with Love.