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The Mark of a Killer poster

The Mark of a Killer

Returning Series 2019–2020
Documentary, Crime
Starring Erica Mary Gillheeney · Steve Eifert · Rik Elliott
Apple TV Store Available on Apple TV Store
The Mark of a Killer poster
Apple TV Store Available on Apple TV Store
TV Trailers
TV Trailers
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Seasons
Watch the Series
2 seasons in the series · Explore all

Where to Watch

Region
Prices last updated October 3, 2026. Pricing and availability may vary by region.
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Seasons

All seasons
Season 1 S1
2019 - 6 eps
Season 1
Season 2 S2
2020 - 4 eps
Season 2

About

First Aired
Jan 20, 2019
Last Aired
Apr 30, 2020
Seasons
2
Episodes
10
Network
PLANÈTE+
Studio
Motiv8 Media, Jarrett Creative Group, Jupiter Entertainment

Cast

Full credits →
E
Erica Mary Gillheeney
S
Steve Eifert
R
Rik Elliott
M
Matt Murphy
T
Tommy Campbell
K
Katherine Ramsland
Self - Forensic Psychologist
J
Johnathon Gorman
T
Timothy Kee

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