In response to a good luck gift from Y to X prior to filming his first major role, X wrote the following letter of thanks.
29th March, 1977
Dear Y,
Just to let you know that your wonderfully thoughtful gift passed safely through the time warp and arrived here ripe and ready and was deeply appreciated.
I have had surprises before but to have your blessing on the first day of this new adventure in my life is, without doubt, the best.
Earth, by the way, is a garden of delights – in case you wondered. I will do my best to follow your advice, dad, because you are the light. How come you know so much???
Sincerely,
X
Identify this ‘father’-'son’ duo and the movie being referenced.