Wendy O'Brien is known for her work on It's Always Sunny in Philadelphia (2005), Sons of Anarchy (2008) and Fear the Walking Dead (2015).
| Title | Year | Status | Character |
|---|
| Future Man | 2017 | TV Movie post-production |
| Brooklyn Animal Control | TV Series 1 episode post-production |
| Krypton | TV Movie pre-production |
| Wild Side | announced |
| Incorporated | 2016-2017 | TV Series 10 episodes |
| Fear the Walking Dead | 2015-2017 | TV Series 22 episodes |
| It's Always Sunny in Philadelphia | 2005-2017 | TV Series 123 episodes |
| Outcast | 2016-2017 | TV Series 20 episodes |
| Shrink | 2017 | TV Series |
| You're the Worst | 2014-2017 | TV Series 36 episodes |
| Graves | 2016 | TV Series 10 episodes |
| Angie Tribeca | 2016 | TV Series 20 episodes |
| Lady Dynamite | 2016 | TV Series 12 episodes |
| Time Traveling Bong | 2016 | TV Mini-Series 3 episodes |
| Cuckoo | 2015 | TV Movie |
| Delores & Jermaine | 2015 | TV Movie |
| Fear the Walking Dead: Flight 462 | 2015 | TV Series |
| The Bastard Executioner | 2015 | TV Series |
| Other People's Children | 2015 |
| Sin City Saints | 2015 | TV Series 7 episodes |
| Hindsight | 2015 | TV Series 10 episodes |
| Benched | 2014 | TV Series 11 episodes |
| Sons of Anarchy | 2008-2014 | TV Series 92 episodes |
| Really | 2014 | TV Series 1 episode |
| Kristy | 2014 |
| Enlisted | 2014 | TV Series 13 episodes |
| Mixology | 2014 | TV Series 13 episodes |
| Legit | 2013-2014 | TV Series 26 episodes |
| Alex of Venice | 2014 |
| The Rebels | 2014 | TV Series 1 episode |
| White Bird in a Blizzard | 2014 |
| The Mason Twins | 2014 | TV Movie |
| Things You Shouldn't Say Past Midnight | 2014 | TV Series 10 episodes |
| Drunk History | 2013 | TV Series 8 episodes |
| Family Tools | 2013 | TV Series 10 episodes |
| Zach Stone Is Gonna Be Famous | 2013 | TV Series 12 episodes |
| Teen Wolf | 2011-2013 | TV Series 26 episodes |
| Freeloaders | 2012 |
| Jewtopia | 2012 |
| 3, 2, 1... Frankie Go Boom | 2012 |
| Little Brother | 2012 | TV Movie |
| Next Caller | 2012 | TV Series 1 episode |
| Grace | 2011 | TV Movie |
| Other People's Kids | 2011 | TV Movie |
| The Lying Game | 2011 | TV Series 1 episode |
| Men of a Certain Age | 2009-2011 | TV Series 22 episodes |
| Little Birds | 2011 |
| Locke & Key | 2011 | TV Movie |
| Back Nine | 2010 | TV Movie |
| The Warrior's Way | 2010 |
| Hysteria | 2010/I |
| Flashforward | 2009-2010 | TV Series 22 episodes |
| Legend of the Seeker | 2008-2010 | TV Series 24 episodes |
| The Runaways | 2010 |
| The Rockford Files | 2010 | TV Movie |
| Untitled Burr and Hart Project | 2010 | TV Movie |
| Sons of Anarchy Season 1: Casting 'Sons of Anarchy' | 2009 | Video short |
| Durham County | 2007-2009 | TV Series 12 episodes |
| Blood: The Last Vampire | 2009 |
| Kyle XY | 2006-2009 | TV Series 31 episodes |
| The Slammin' Salmon | 2009 |
| Boldly Going Nowhere | 2009 | TV Movie |
| Cop House | 2009 | TV Movie |
| Pulling | 2009 | TV Movie |
| XIII: The Conspiracy | 2008 | TV Mini-Series 2 episodes |
| Deep Winter | 2008 |
| Samurai Girl | 2008 | TV Series 6 episodes |
| Marlowe | 2007 | TV Movie |
| Tell Me You Love Me | 2007 | TV Series 10 episodes |
| Poor Boy's Game | 2007 |
| Who Loves the Sun | 2006/I |
| Blade: The Series | 2006 | TV Series 9 episodes |
| Secrets of a Small Town | 2006 | TV Series 1 episode |
| Lie with Me | 2005 |
| Prison Break | 2005 | TV Series 1 episode |
| Revelations | 2005 | TV Mini-Series 1 episode |
| Carnivàle | 2003-2005 | TV Series 23 episodes |
| $5.15/Hr. | 2004 | TV Movie |
| A Problem with Fear | 2003 |
| Girl Fever | 2002 |
| Looking for Leonard | 2002 |
| The Law of Enclosures | 2000 |
| Waydowntown | 2000 |
| Higher Ground | 2000 | TV Series |
| Tail Lights Fade | 1999 | as Wendy O'Brien Livingstone |
| Something More | 1999 |
| Illegal Music | 1998 |
| Rupert's Land | 1998 |
| Oklahoma City: A Survivor's Story | 1998 | TV Movie |
| Cold Squad | 1998 | TV Series 10 episodes |
| Major Crime | 1997 | TV Movie |
| Love in Another Town | 1997 | TV Movie |
| Highlander | 1996-1997 | TV Series 9 episodes |
| Kissed | 1996 | as Wendy O'Brien Livingstone |
| Title | Year | Status | Character |
|---|
| Outcast | 2016 | TV Series additional casting - 1 episode |
| Benched | 2014 | TV Series casting - 1 episode |
| Next Caller | 2013 | TV Series original casting - 4 episodes |
| Freeloaders | 2012 | casting |
| The Place Beyond the Pines | 2012 | additional casting: LA |
| Teen Wolf | 2011 | TV Series original casting - 1 episode |
| Legend of the Seeker | TV Series casting - 1 episode, 2010 casting by - 1 episode, 2009 |
| Kyle XY | 2008 | TV Series casting - 8 episodes |
| The Promotion | 2008 | casting director: Los Angeles |
| The Eye | 2008 | additional casting |
| Enchanted | 2007 | casting associate |
| First Snow | 2006 | casting associate |
| The Woods | 2006 | casting associate |
| Population 436 | 2006 | Video casting associate |
| Final Destination 3 | 2006 | casting associate: U.S. |
| Batman Begins | 2005 | casting associate: USA |
| The Longest Yard | 2005 | casting associate |
| Revelations | 2005 | TV Mini-Series original casting - 5 episodes |
| Lackawanna Blues | 2005 | TV Movie casting associate |
| Catwoman | 2004 | casting associate |
| Agent Cody Banks 2: Destination London | 2004 | casting associate: US |
| Secret Window | 2004 | casting associate |
| Club Dread | 2004 | casting associate |
| Scary Movie 3 | 2003 | casting associate: LA |
| Carnivàle | 2003 | TV Series casting associate - 1 episode |
| And Starring Pancho Villa as Himself | 2003 | TV Movie casting associate: USA |
| Dickie Roberts: Former Child Star | 2003 | casting associate |
| My Boss's Daughter | 2003 | casting associate: U.S. |
| Dumb and Dumberer: When Harry Met Lloyd | 2003 | casting associate |
| Agent Cody Banks | 2003 | casting associate |
| Willard | 2003 | casting associate: LA |
| Final Destination 2 | 2003 | casting associate |
| Live from Baghdad | 2002 | TV Movie casting associate |
| Living with the Dead | 2002 | TV Movie casting associate |
| Slackers | 2002 | casting associate |
| The One | 2001 | casting associate |
| Impostor | 2001 | casting associate |
| Skate | 2001 | TV Series casting: Los Angeles |
| Bubble Boy | 2001 | casting associate |
| What's the Worst That Could Happen? | 2001 | casting associate |
| Memento | 2000 | casting assistant |
| Final Destination | 2000 | casting assistant |
| If These Walls Could Talk 2 | 2000 | TV Movie casting associate |
| Boiler Room | 2000 | casting associate |
| Drop Dead Gorgeous | 1999 | casting associate |
| Idle Hands | 1999 | casting associate |
| A Slipping-Down Life | 1999 | casting associate: Los Angeles |
| Nick Fury: Agent of Shield | 1998 | TV Movie casting: Canada - as Wendy O'Brien Livingstone |
| Circle of Deceit | 1998 | TV Movie casting: Canada - as Wendy O'Brien Livingstone |
| Silent Cradle | 1997 | casting: Canada - as Wendy O'Brien Livingstone |
| Platinum | 1997 | TV Movie casting: Vancouver |
| Kitchen Party | 1997 | casting: Canada |
| Free Willy 3: The Rescue | 1997 | casting associate: Vancouver |
| Highlander | 1997 | TV Series casting - 3 episodes |
| Their Second Chance | 1997 | TV Movie casting: Canada - as Wendy O'Brien Livingstone |
| Mother Trucker: The Diana Kilmury Story | 1996 | TV Movie associate casting director - as Wendy O'Brien-Livingstone |
| Urban Safari | 1996 | casting assistant |
| The X-Files | 1995-1996 | TV Series casting associate - 24 episodes |
| Hard Core Logo | 1996 | casting: Vancouver - as Wendy O'Brian Livingstone |
| Jumanji | 1995 | casting assistant: Canada - as Wendy O'Brien Livingstone |
| When the Vows Break | 1995 | TV Movie casting assistant |
| Beauty's Revenge | 1995 | TV Movie casting assistant: Canada - as Wendy O'Brien Livingstone |
| The War Between Us | 1995 | casting assistant - as Wendy O'Brien Livingstone |
| She Stood Alone: The Tailhook Scandal | 1995 | TV Movie casting assistant: Canada |
| Far from Home: The Adventures of Yellow Dog | 1995 | casting assistant: Vancouver - as Wendy O'Brien Livingstone |
| The Neverending Story III | 1994 | casting assistant - as Wendy O'Brien-Livingstone |
| Timecop | 1994 | casting assistant - as Wendy O'Brien Livingstone |
| Year | Award | Ceremony | Nomination | Movie |
|---|
| 2010 | Artios | Casting Society of America, USA | Outstanding Achievement in Casting - Television Pilot - Drama | Flashforward (2009) |
| 2009 | Artios | Casting Society of America, USA | Outstanding Achievement in Casting - Mini Series | XIII: The Movie (2008) |
| 2009 | Gemini | Gemini Awards | Best Achievement in Casting | Durham County (2007) |
| 2008 | Gemini | Gemini Awards | Best Achievement in Casting | Durham County (2007) |
| 2007 | Artios | Casting Society of America, USA | Best Children's TV Programming | Kyle XY (2006) |
| 2005 | Artios | Casting Society of America, USA | Best Mini Series Casting | Revelations (2005) |
| 2004 | Primetime Emmy | Primetime Emmy Awards | Outstanding Casting for a Drama Series | Carnivàle (2003) |