She absolutely looks like.

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A little but she really reminds me of Sigrid Thornton in the 80's.

I see Sigrid in her too!

Dianne Lane

"If that's true. If you don't know who I am then maybe your best course would be to tread lightly."

Kay Lenz in an old episode of Touched By An Angel called The Journalist.
I stumbled on to it last night, and couldn't help noticing the resemblance, even down to the voice.
I do think Ruth looks different depending on the role she is playing though.
https://www.youtube.com/watch?v=xu68wOoqIJE

She looks like Michelle Monaghan

Yes...Michelle Monaghan

I just watched Saving Mr Banks and was convinced that it was Michelle Monaghan playing Margaret Goff..