Kasey Mahaffy


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A Portland, Oregon native, Kasey received his BFA in acting from Southern Oregon University and completed the Actor's Ensemble Internship Program at PCPA in California. He then moved to New York City to perform there and at various regional theaters across the US. In 2006 Kasey relocated to Los Angeles to pursue a career in film & television, and ... See full bio »

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Watch on TV

Crossing Jordan
Retribution (S6, Ep1)
Mon, Dec 09 2:00 PM PST on KCBSDT2 (201)
Modern Family
No Small Feet (S9, Ep10)
Thu, Dec 12 7:30 PM PST on MyNetworkTV (013)

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Known For

(2015-2019)
NCIS Dr. Patton Hartgrave
(2019)
9-1-1 Lyle
(2018)
Getting On Rick Joy
(2014-2015)

Filmography

Hide Hide Show Show Actor (30 credits)
 2020 Grace and Frankie (TV Series)
Brett
- Episode #6.13 (2020) ... Brett
 2015-2019 Modern Family (TV Series)
Dom
- Pool Party (2019) ... Dom
- No Small Feet (2017) ... Dom
- Heavy Is the Head (2017) ... Dom
- The Alliance (2016) ... Dom
 2019 NCIS (TV Series)
Dr. Patton Hartgrave
- Toil and Trouble (2019) ... Dr. Patton Hartgrave
 2018/I Room Service (Short)
Bill
 2018 9-1-1 (TV Series)
Lyle
- A Whole New You (2018) ... Lyle
 2017/I Something New (Short)
Kevin
 2016 Scream Queens (TV Series)
Thomas Benderhall
- The Hand (2016) ... Thomas Benderhall
 2016 Diagnosis Delicious (TV Movie)
Eric
 2014-2015 Getting On (TV Series)
Rick Joy
- This Is About Vomit, People. (2015) ... Rick Joy
- Doctor Death (2014) ... Rick Joy
- The Revolving Door Admit (2014) ... Rick Joy
- Turnips... North Day... Yes, yes. (2014) ... Rick Joy
 2015 Unsingle (TV Movie)
Braden
 2015 Days of Our Lives (TV Series)
Martin
- Episode #1.12648 (2015) ... Martin
- Episode #1.12647 (2015) ... Martin
- Episode #1.12642 (2015) ... Martin
- Episode #1.12641 (2015) ... Martin
 2014 Bad Teacher (TV Series)
Mark Cuban's Assistant
- Fieldtrippers (2014) ... Mark Cuban's Assistant
 2013 Franklin & Bash (TV Series)
Freck
- Freck (2013) ... Freck
 2010-2013 Castle (TV Series)
Lance Newman
- Still (2013) ... Lance Newman (uncredited)
- Overkill (2010) ... Lance Newman
 2012-2013 American Horror Story (TV Series)
Father James
- Spilt Milk (2013) ... Father James
- The Origins of Monstrosity (2012) ... Father James
 2012 Don't Take This the Wrong Way (Short)
Collin Simms
 2012 CSI: Crime Scene Investigation (TV Series)
Ian Doyle
- Stealing Home (2012) ... Ian Doyle
 2011 The Fresh Beat Band (TV Series)
Kasey
- Ghost Band (2011) ... Kasey
 2011 L.A. Noire (Video Game)
Thomas Bailey (voice)
 2010 Nathan vs. Nurture (TV Movie)
Phillip
 2010 Law & Order: LA (TV Series)
Kern
- Pasadena (2010) ... Kern
 2010 Proposition 8 Trial Re-Enactment (TV Series documentary)
Dr. Kenneth Miller
 2009 Bones (TV Series)
Leland Frankel
- A Night at the Bones Museum (2009) ... Leland Frankel
 2008 ER (TV Series)
Johnny Morris
- The High Holiday (2008) ... Johnny Morris
 2007 Girlfriends (TV Series)
Waiter
- Save the Last Dance (2007) ... Waiter
 2007 Ocean's Thirteen
Security Technician
 2007 Veronica Mars (TV Series)
Russian Lit Student
- There's Got to Be a Morning After Pill (2007) ... Russian Lit Student
 2007 Crossing Jordan (TV Series)
Second Uni
- Retribution (2007) ... Second Uni
 2006 Medium (TV Series)
Waiter
- Be Kind, Rewind (2006) ... Waiter
 2006 Joey (TV Series)
Red-Haired Guy
- Joey and the Dad (2006) ... Red-Haired Guy

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Personal Details

Other Works:

(February 26 to April 6, 2014) He acted in Dorothy Fortenberry's play, "Partners," in a Humana Festival production at the Bingham Theatre, Actors Theatre of Louisville in Louisville, Kentucky with Leroy McClain, Annie Purcell and David Ross in the cast. Lila Neugebauer was director. Daniel Zimmerman was scenic designer. Janice ... See more »

Height:

6' 1" (1.85 m)

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