Here’s a rare behind-the-scenes look at a Star Wars PSA ad from 1977, which shows the actors behind C-3PO (Anthony Daniels) and R2-D2 (Kenny Baker). Continue reading to watch the making of and the actual PSA.

If your kid is a Star Wars fan, think twice before showing this to him or her because this is quite an eye-opener.

[via Technabob]

Making Of

PSA Ad