Actress Erin Allin O'Reilly arrives for the Premiere Of Universal Pictures And Red Granite Pictures' 'Dumb And Dumber To' held at the Regency Village Theater on November 3, 2014 in Westwood, California. 

Toronto, Ontario - March 6, 2021 Actress Erin Allin O'Reilly arrives at the "YES DAY" virtual premiere.

Sean Murray, Michael Weatherly, and Erin Allin O'Reilly in NCIS (2003)

Erin Allin O'Reilly in Grey's Anatomy (2005)

Erin Allin O'Reilly and Tessa Ferrer in Grey's Anatomy (2005)

Kayden Magnuson, Erin Allin, Jonathan Mangum, Caleb Burges, David Milchard, Danny Woodburn and Crystal The Monkey, Monkey Up, Air Bud Entertainment

Erin Allin O'Reilly and Kunal Nayyar in The Big Bang Theory (2007)

Pauley Perrette, Vik Sahay, Sean Murray, Iman Nazemzadeh, and Erin Allin O'Reilly in NCIS (2003)

Mark Harmon, Vik Sahay, Sean Murray, Iman Nazemzadeh, and Erin Allin O'Reilly in NCIS (2003)

Vik Sahay, Iman Nazemzadeh, and Erin Allin O'Reilly in NCIS (2003)

Erin Allin and Crystal the Monkey, Monkey Up, Air Bud Entertainment

David Milchard, Jonathan Mangum, Erin Allin, Kayden Magnuson and Crystal The Monkey, Monkey Up, Air Bud Entertainment

Erin Allin, Jonathan Mangum, and Caleb Burgess, Monkey Up, Air Bud Entertainment

Erin Allin and Jonathan Mangum, Monkey Up, Air Bud Entertainment

Jonathan Mangum, Erin Allin, Danny Woodburn, Caleb Burgess, Kayden Magnuson, Monkey Up, Air Bud Entertainment

Kayden Magnuson, Erin Allin, Jonathan Mangum, Caleb Burgess, David Milchard,  Crystal The Monkey, and Danny Woodburn, Monkey Up, Air Bud Entertainment

Erin Allin O'Reilly at THE THREE STOOGES premiere