What you might not have realized is that one of the Eklund women has a famous brother in real life, too. Kate O'Brien, sister to late night TV host Conan O'Brien, plays Phyllis "Beaver" Eklund in her acting debut.
"I work at a school and someone said, 'They're casting [The Fighter], you should go down, you look Irish Catholic,' " Kate O'Brien told PEOPLE. "I'm one of six, so it wasn't that hard for me to look like I might have more siblings [in the movie]."
• Reporting by ANNE DRISCOLL
Kate O'Brien (second from left) in The Fighter
Paramount Pictures
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