In a play, if a character is 'breaking the fourth wall', who are they talking to?

I never knew that!

ngc1952, I could be wrong here but: an aside isn't necessarily breaking the 4th wall, it's a kind of throwaway comment or talking to oneself, kind of. whereas breaking the wall is specifically talking to the audience and in a way acknowledging their existence, which isn't the case with an aside.

Mel Brooks' film Blazing Sandals uses it repeatedly.

Player #9809468, blazing saddles!!

The early 1960,s series Gidget with Sally Fields is another example too

She-Hulk is famous for doing that also

dai.laffin, Everything is meta these days. Especially movies. Originality is so passe.

Mister, An inner voice.

tamandcheese, no, sorry but neither of those are plays.

Isn't that also known as an aside?

Floss4Me, I need easier

House of Cards and The Office for example.

What the what????

makes a mess for the scenery crew...