Joe Don Baker would go on to play an American spy similar to Felix Leiter in the Brosnan-era films.
The other two 00 agents featured in the film (the ones the audience sees before Dalton) were cast because of their resemblance to George Lazenby and Roger Moore.
During the filming of the final scene, the Moroccan airfield (doubling as Afghanistan) was left open to civilian flights.
Maryam d’Abo got the part due to an audition she did with Pierce Brosnan.
The movie was originally written for Roger Moore and had to be changed to reflect the new Bond.
In the pre-title sequence, 002, and 004 may look familiar, one of whom bore a resemblance to Roger Moore, the other was an uncanny George Lazenby, the writers wanted to keep the audience guessing who the new 007 would be.