A film extra is sometimes called a background actor.
Yes. There is a special extra you can buy at the counter. I do not remember what it is called but it is sort of obvious when you play it.
There are no extra survivors at this time, but they are coming in a new DLC coming soon called "The Passing" where you will be able to play as the original survivors and the new ones as they work together.
A silent extra
Extra classes
Added time, injury time (for time added at the end of a game) OR Extra time (if a tournament knockout round match ends in a draw after normal time) Extra time lasts 30 minutes, 15 minutes each half
What extra bones ?
The scientific term for the extra skin under the chin is called the Flarper
Special #2
an extra in the musical/play
Heck no
no