Alexis Denisof

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'Viktor Albert Wilhelm George Beckendorf' in Grimm 

'The Other' in Guardians of the Galaxy and The Avengers

'Sandy Rivers' in How I Met Your Mother

'Benedick' in Much Ado About Nothing

'Senator Daniel Perrin' in Dollhouse

'Wesley Wyndam-Price' in Angel and Buffy The Vampire Slayer

Alyson Hannigan

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'Lily Aldrin' in How I Met Your Mother

'Willow Rosenburg' in Buffy the Vampire Slayer and Angel

'Michelle' in the American Pie films

Annie Wersching

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'Renee Walker' in 24

'Lily Salvatore' in The Vampire Diaries

'Samantha Martell' in Hawaii Five-0

'Dr Kate Gordon' in Touch

'Tess' in The Last of Us (voice)

'Emma' in Revolution

'Femi Dodd' in Extant

'Dr Kelly Nieman' in Castle

'Margaret' in Angel

Summer Glau

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'River Tam' in Firefly & Serenity

'Isobel Rochev' in Arrow

'Greta' in Chuck

'Orwell' in The Cape

'Skylar Adams' in Alphas

'Maggie Hoaplii' in Hawaii Five-0

'Bennett Halverson' in Dollhouse

'Cameron Phillips' in Terminator : The Sarah Connor Chronicles

'Tess Doerner' in The 4400

'Prima Ballerina' in Angel

Adam Baldwin

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'Animal Mother' in Full Metal Jacket
'Garber' in Predator 2
'Tom McLaury' in Wyatt Earp
'Major Mitchell' in Independence Day
'Knowle Rohrer' in The X Files
'Jayne Cobb' in Firefly / Serenity
'Colonel Dave Dixon' in Stargate SG-1
'Marcus Hamilton' in Angel
'Kal'Reegar' (voice) in Mass Effect 2
'Dutch' (voice) in Halo 3:ODST
'John Casey' in Chuck
'Det Ethan Slaughter' in Castle
'Mike Slattery' in The Last Ship