Scene from movie Electra
NOTE! This is an adaptation of Euripides's Electra, not Sophocles's. Guess his was just a bit more popular.
How come all those Ancient Greek guys had such stony faces?
What Greek Stage Productions Sort of Looked Like
a.k.a. masks to scare your little sister with
Online Version of the Text
Free, easy-to-read, though not in verse.
A quick read.
Great site, tons of info, links galore
If you want more Sophocles
Links to his other plays