The actress, 40, was performing in "A Streetcar Named Desire" at The Sydney Theatre Company when cast member Joel Edgerton threw a radio, as per the script, and it hit Blanchett on the head.
An audience member tells the Sydney Morning Herald that "she had blood streaming down the back of her head and blood on the back of her neck."
Adds the witness, "She acted for about another 30 seconds, then ran into what we thought was the next scene, but before we knew it the lights were turned on and we were told there were technical difficulties and everyone had to evacuate the Sydney Theatre Company."
A rep for Blanchett has yet to issue a statement.
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