The movie is, arguably, too long and overladen with ideas. Klotz and Perceval are particularly keen on nailing the use and abuse of language in formatting human behavior.
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Director Nicolas Klotz paces his mystery plot so luxuriously that it feels like a ride in a company limo, though his ultimate thesis, that corporate culture is inherently fascist, hardly seems worth the trip. The saving grace is Amalric, who looks so sharp in a tailored suit that he can't sense himself rotting from within.
A chilling corporate thriller with an intriguing mystery on the surface and a deeply troubling idea at its dark core.
Both pertinent and discomfiting, this sober, well-cast drama remains quietly riveting, despite its 140-minute running time.
Entertainment Weekly by Lisa Schwarzbaum
It's a thin line between 20th-century Nazism and 21st-century corporate culture in Heartbeat Detector, Nicolas Klotz's rewardingly chilly psychological thriller.
The New York Times by Manohla Dargis
The rather lost-looking Mr. Amalric, most recently seen on screens giving his left eyeball a furious workout in “The Diving Bell and the Butterfly,” maintains a suitably funereal mien throughout.
Chicago Tribune by Michael Phillips
A rich, vexing experience.
Amalric gives another in a recent string of riveting performances, and Klotz gets a lot of play out of the ironic distance between musical expression and corporate rigor.