Grimm You Don't Know Jack (Season 4, Episode 20)
TV-14
TV Episode | 42 min | Crime, Drama, Fantasy

Grimm

You Don't Know Jack (Season 4, Episode 20)

TV-14

TV Episode | 42 min | Crime, Drama, Fantasy

The press thinks a Jack the Ripper copycat is responsible for a series of recent homicides.

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Cast	+ Add Cast
23 cast members

Name	Known for
David Giuntoli Nick Burkhardt Nick Burkhardt See fewer	Grimm (2011)
Russell Hornsby Hank Griffin Hank Griffin See fewer	The Hate U Give (2018)
Elizabeth Tulloch Juliette Silverton (as Bitsie Tulloch) Juliette Silverton (as Bitsie Tulloch) See fewer	The Artist (I) (2011)
Silas Weir Mitchell Monroe Monroe See fewer	Rat Race (2001)
Sasha Roiz Captain Sean Renard Captain Sean Renard See fewer	The Day After Tomorrow (2004)
Reggie Lee Sgt. Wu Sgt. Wu See fewer	Grimm (2011)
Bree Turner Rosalee Calvert Rosalee Calvert See fewer	Grimm (2011)
Claire Coffee Adalind Schade Adalind Schade See fewer	Grimm (2011)
Nico Evers-Swindell Kenneth Kenneth See fewer	Fast X (2023)
Garcelle Beauvais Henrietta Henrietta See fewer	Spider-Man: Homecoming (2017)
Danny Bruno Bud Bud See fewer	Grimm: Bad Hair Day (2012)
Rachael Perrell Fosket Heidi McDunnah Heidi McDunnah See fewer	Midway (2019)
Franchesca Agramonte Mary Ann Casey Mary Ann Casey See fewer	Lethal Weapon (2016)
Lowell Deo Mayor Mayor See fewer	Z Nation (2014)
Brenda Braxton Reporter #1 Reporter #1 See fewer	Bad Samaritan (2018)
Tim Becker Reporter #2 Reporter #2 See fewer	Grimm (2011)
Katherine Cook Reporter #3 Reporter #3 See fewer	American Vandal (2017)
Tim Bennett Boom Operator (uncredited) Boom Operator (uncredited) See fewer	Bad Samaritan (2018)
Raul Espericueta Lookie Loo (uncredited) Lookie Loo (uncredited) See fewer	Vireality
Will Gilmore Camera Operator (uncredited) Camera Operator (uncredited) See fewer	I Don't Believe in Ghosts (2018)
Derek Joseph Shields Police Officer (uncredited) Police Officer (uncredited) See fewer	What Goes Down (2019)
Peter Simpson Police Lieutenant (uncredited) Police Lieutenant (uncredited) See fewer	Leave No Trace (2018)
Austin Sloan On Air Reporter (uncredited) On Air Reporter (uncredited) See fewer	Subject 1 (2014)