Tessa Mossey is the actress who portrays Heidi McKenzie on Shadowhunters: The Mortal Instruments.


Season Two: 1/20
Episode Appearance Status
This Guilty Blood Absent
A Door Into the Dark Absent
Parabatai Lost Absent
Day of Wrath Absent
Dust and Shadows Absent
Iron Sisters Absent
How Are Thou Fallen Absent
Love is a Devil Absent
Bound By Blood Absent
By the Light of Dawn Absent
Mea Maxima Culpa Absent
You Are Not Your Own Absent
Those of Demon Blood Absent
The Fair Folk Absent
A Problem of Memory Appeared
Day of Atonement Absent
A Dark Reflection Absent
Awake, Arise, or be Forever Fallen Absent
Hail and Farewell Absent
Beside Still Water Absent
Season Three: 7/22
Episode Appearance Status
On Infernal Ground Appeared
The Powers That Be Absent
What Lies Beneath Appeared
Thy Soul Instructed Appeared
Stronger Than Heaven Absent
A Window Into an Empty Room Appeared
Salt in the Wound Absent
A Heart of Darkness Absent
Familia Ante Omnia Appeared
Erchomai Absent
Lost Souls Absent
Original Sin Absent
Beati Bellicosi Appeared
A Kiss From a Rose Absent
To the Night Children Appeared
Stay With Me Absent
Heavenly Fire Absent
The Beast Within Absent
Aku Cinta Kamu Absent
City of Glass Absent
Alliance Absent
All Good Things... Absent



  1. Posts, Stories, and Live chats on Instagram by Tessa and Alberto) ([1] [2])
  2. "Happy Birthday @arosende ... sorry I ruined your photo... Not sorry 😂" Chai Hansen on Twitter

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