Re: Worst Star trek actor ever
I'm going to go with the nameless ensign from Voyager's "Displaced". From her hilariously over-the-top stunning to the worst line readings ever she fails on every level imaginable.
Jump to 4:20. Her scenes last for 20 seconds.
"Who are you?! And how did you get in here?!"
"I'm the locksmith. And... I'm the locksmith."