Yup. Apparently, you'll play as a pre-made, voiced, male character with no possibility to customize him until after finishing the main story. This was originally leaked by someone who claimed to be a Bethesda ex-employee, but nobody believed her. But apparently there lots of things in the trailer that appear to confirm the leak so...
http://www.reddit.com/r/Fallout/comm...rom_last_year/
https://www.reddit.com/r/Fallout/com...yed_fallout_4/