Kathleen Denise Quinlan is an American actress. On House, M.D., she portrayed Arlene McNeil, the devoted wife of the immobilized Richard McNeil in the Season 3 premiere Meaning.

Quinlan has had a lengthy and distinguished career, starting with a featured role in American Graffiti. She has also had featured roles in Lucas Tanner, The Waltons, Hanky Panky, Twilight Zone: The Movie, The Doors, Zeus and Roxanne, Breakdown, A Civil Action, Too Rich: The Life of Doris Duke, Family Law, Breach, Prison Break, The Event and Blue.


  • Appeared with <a rel="mw:WikiLink" href="" title="Jesse Spencer" class="ve-ce-linkAnnotation ve-ce-mwInternalLinkAnnotation">Jesse Spencer</a> on<i class="ve-ce-textStyleAnnotation ve-ce-italicAnnotation">Chicago Fire</i>
  • Appeared with Jayma Mays on Glee
  • Appeared with Thomas Dekker and Patrick Fugit in Cinema Verite
  • Appeared with Zeljko Ivanek on The Event
  • Appeared with Wentworth Miller and Sarah Wayne Callies on Prison Break
  • Appeared with Beau Garrett in Empire State
  • Appeared with Beau Garrett in Made of Honor
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