Observers



All of the main Observers seen throughout the series.

January / January

  • Part of the original twelve science team that traveled through time to find the optimal time to invade.
  • Played by David Haysom.

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January

February / February

  • Part of the original twelve science team that traveled through time to find the optimal time to invade.
  • Notes from September in September's Notebook:
    • "February—Observed Sam Weiss"

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February

March / March

  • Part of the original twelve science team that traveled through time to find the optimal time to invade.
  • Played by Steve Weller.

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March

April / April

  • Part of the original twelve science team that traveled through time to find the optimal time to invade.
  • Notes from September in September's Notebook:
    • "April—Observed William Bell"

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April

May / May

  • Part of the original twelve science team that traveled through time to find the optimal time to invade.
  • Notes from September in September's Notebook:
    • "May—Observed key rulers and monarchs throughout history"

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May

June / June

  • Part of the original twelve science team that traveled through time to find the optimal time to invade.
  • Notes from September in September's Notebook:
    • "June—Observed the Over There universe"

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June

July / July

  • Part of the original twelve science team that traveled through time to find the optimal time to invade.
  • Played by Amos Stern.

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July

August / August

  • Part of the original twelve science team that traveled through time to find the optimal time to invade.
  • Notes from September in September's Notebook:
    • "It was August's breach of protocol to protect Christine Hollis—despite our colleagues' warning that she was of no consequence—that allowed me to recognize that I too had become attached to humans, specifically Walter and Peter Bishop. August's end made it clear to me that I could not be as open as he was regarding my affinity for the Bishops, or I too would suffer his fate."
  • Played by Peter Woodward.

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August

September / September

  • Part of the original twelve science team that traveled through time to find the optimal time to invade.
  • He could be considered the catalyst for everything that happened in Fringe due to his distraction of Walternate in 1985.
  • Played by Michael Cerveris.

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September

October / October

  • Part of the original twelve science team that traveled through time to find the optimal time to invade.
  • Notes from September in September's Notebook:
    • "October—Observed meteorological and environmental changes throughout history"

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October

November / November

  • Part of the original twelve science team that traveled through time to find the optimal time to invade.
  • Notes from September in September's Notebook:
    • "November—Observed historical events that represented significant moments of change"

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November

December / December

  • Part of the original twelve science team that traveled through time to find the optimal time to invade.
  • Notes from September in September's Notebook:
    • "December assumed the position of our mission leader. He demanded an explanation for my oversights, first with Walter, and then when Peter was not erased from the timeline after stepping into the Machine. December also gave the orders to apprehend me from Walter's lab so that I could be punished. They hid the universe from me, until Peter's assistance with the beacon allowed me to find my way back."
  • Played by Eugene Lipinski.

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December

Anomaly XB-6783746 / Michael / Anomaly XB-6783746 / Michael

  • Originally an early Fringe case, it was later revealed that he was an Observer created in a lab from September's genetic material, making September his father. He was called Michael by his adoptive family. He was considered an anomaly by the Observers because he naturally possessed an incredible emotional capacity as well as the expected intellectual capacity.
  • Played by Spencer List (season 1) and by Rowan Longworth (season 5).

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Anomaly XB-6783746 / Michael

Captain Windmark / Captain Windmark

  • The main antagonist of season 5, in charge of policing and questioning non-Observer civilians.
  • Notes from September in September's Notebook:
    • "My glimpse into 2036 made it clear to me that Captain Windmark wanted to destroy the Bishops to assure our people's future."
  • Played by Michael Kopsa.

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Captain Windmark

The Commander / The Commander

  • Captain Windmark's boss, probably in charge of the science team that observed history to find an optimal invasion point.
  • Played by James Kidnie.

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The Commander

John Mosley / John Mosley

  • Possibly part of the original twelve science team that traveled through time to find the optimal time to invade.
  • If he was indeed an Observer he would either be February, April, May, June, October, or November.
  • Read more about this in the FAQs.
  • Played by Michael Kelly.

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John Mosley

Unknown / Unknown

  • Part of the original twelve science team that traveled through time to find the optimal time to invade.
  • This Observer would either be February, April, May, June, October, or November.

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Unknown

Peter Bishop / Peter Bishop

  • Peter wasn't technically an Observer; he wasn't created in a lab from donated genetic material. But it could be reasonably argued that for all intents and purposes he would have become an Observer if the tech he put in his head hadn't been removed before it had a chance to fully mutate his brain.
  • Played by Joshua Jackson.

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Peter Bishop