Film Extra work is a lot of fun most times (female extras you get to meet ;)…ahem, and the breakfasts/lunches, etc)
I worked as an extra when I was out of full-time work for a year and I had 3-4 days a week on various Feature Films/TV shows. I was lucky as many said it was usually very patchy. My first experience was when I walked up to the wardrobe department for Braveheart and asked if I could partake as an extra…the next day I was being fitted for costumes. But from talking to crew members, I discovered that I should join the “Irish actors equity group” as a panel member. a yearly fee and anyone can join. but once I started being an “offical” extra I began talking to A.D.'s (Assistant Directors) and they later called me for future projects…etc, etc.
The cool thing is that you usually have lunch with the main cast in marquees, or whatever. and its a great way to make industry contacts!
downfalls: the odd-hours (depending on the film) usually you need to be in the wardrobe dept. at 7am for getting ready and then 8/8:30am on location. but sometimes I had a wardrobe call at 7pm and worked into the night, finishing at 4am. so depending on the extras you meet on set, this could lead to a nice party with a gang of them!
The other thing I found was the extras were budding: actresses/actors, directors, art directors, etc. so like I said good for contacts.
give it a shot!