Murder One: Diary of a Serial Killer - Cast

Name	Episodes	Known for
Mary McCormack Justine Appleton Justine Appleton See fewer	6	Deep Impact (1998)
D.B. Woodside Aaron Mosley Aaron Mosley See fewer	6	Lucifer (2016)
Barbara Bosson Miriam Grasso Miriam Grasso See fewer	6	Hill Street Blues (1981)
Clayton Rohner Det. Vince Biggio Det. Vince Biggio See fewer	6	Mope (2019)
Jack Kehler Frank Szymanski Frank Szymanski See fewer	6	Men in Black II (2002)
Pruitt Taylor Vince Clifford Banks Clifford Banks See fewer	6	Identity (2003)
Karen Austin Lynette Parker Banks Lynette Parker Banks See fewer	6	Summer Rental (1985)
Reni Santoni Judge Thomas Agajanian Judge Thomas Agajanian See fewer	6	Dirty Harry (1971)
John Pleshette Gary Blondo Gary Blondo See fewer	6	The Truman Show (1998)
Richard Fancy Arthur Sackheim Arthur Sackheim See fewer	6	The Girl Next Door (2004)
Mason Adams Sidney Pomerantz Sidney Pomerantz See fewer	6	Son in Law (1993)
John Fleck Louis Heinsbergen Louis Heinsbergen See fewer	6	Waterworld (1995)
Maxine Stuart Mrs. Gunther Mrs. Gunther See fewer	6	The Twilight Zone (1959)
Steve Eastin Detective Detective See fewer	6	Con Air (1997)
Richard Minchenberg Jason Haas Jason Haas See fewer	6	What Planet Are You From? (2000)
Francis Guinan Steve McDermott Steve McDermott See fewer	6	Constantine (2005)
David Barrera Richard Higueras Richard Higueras See fewer	6	Monster (2022)
Micole Mercurio Eunice Patrick Eunice Patrick See fewer	6	While You Were Sleeping (1995)
Rob Youngblood Officer Tillage Officer Tillage See fewer	6	Space Precinct (1994)
Robert LaSardo Osvaldo Cesarus Osvaldo Cesarus See fewer	6	The Mule (2018)
Peter Birkenhead Brent Keiser Brent Keiser See fewer	6	Desperate Housewives (2004)
Rosalind Allen Ms. Lawson Ms. Lawson See fewer	6	Naked Gun 33 1/3: The Final Insult (1994)
Tony Perez Mr. Garcia Mr. Garcia See fewer	6	Scarface (1983)
Alan Blumenfeld Carl Runsdorf Carl Runsdorf See fewer	6	Heroes (II) (2006)
Yareli Arizmendi Actress Actress See fewer	6	Like Water for Chocolate (1992)
Tim DeZarn Mr. Jenks Mr. Jenks See fewer	6	The Cabin in the Woods (2011)
Peter Jason Mr. Sheehy Mr. Sheehy See fewer	6	48 Hrs. (1982)
Dan Gerrity Ed Mizerac Ed Mizerac See fewer	6	Jawbreaker (1999)
Lewis Arquette Actor Actor See fewer	6	Little Nicky (2000)
Julianne Christie Actress Actress See fewer	6	Joe Pickett (2021)
Jennifer Parsons Actress Actress See fewer	6	Never Been Kissed (1999)
Jerry Sroka Actor Actor See fewer	6	Godspell (1973)
Diana Maria Riva Ms. Aguilera Ms. Aguilera See fewer	6	Dead to Me (2019)
Angela Lanza Actress Actress See fewer	6	Desperado (1995)
Steve Larson Actor Actor See fewer	6	Casualties of War (1989)
Dennis Creaghan Duncan Lattimer Duncan Lattimer See fewer	6	Superman IV: The Quest for Peace (1987)
Alexander Enberg Kevin Piper Kevin Piper See fewer	6	Junior (1994)
Alec Mapa Damien Vasquez Damien Vasquez See fewer	6	You Don't Mess with the Zohan (2008)
Jack Blessing Detective Seybolt Detective Seybolt See fewer	6	Talladega Nights: The Ballad of Ricky Bobby (2006)
Richard McGonagle Judge Owen Harris Judge Owen Harris See fewer	6	500 Days of Summer (2009)
Oliver Clark Judge Douglas Harrigan Judge Douglas Harrigan See fewer	6	Mystery Men (1999)
James McDonnell Mitch Kaye Mitch Kaye See fewer	6	Wedding Crashers (2005)
Tom Urich Todd Strangis Todd Strangis See fewer	6	Murder at 1600 (1997)
David St. James Lawyer Lawyer See fewer	6	The West Wing (1999)
Anthony LaPaglia Jimmy Wyler Jimmy Wyler See fewer	6	Without a Trace (2002)
J.C. MacKenzie Arnold Spivak Arnold Spivak See fewer	6	October Faction (2020)
Michael Hayden Chris Docknovich Chris Docknovich See fewer	6	Murder One (1995)
Blair Singer Gavin Beyer Gavin Beyer See fewer	6	Beauty and the Beast (2012)
Allen Barton Reporter Reporter See fewer	6	Reach Out (2003)
Neill Calabro Sequestered Juror Sequestered Juror See fewer	6	Skipp'n the Heat (2015)
Mimi Ward Reporter Reporter See fewer	6	NYPD Blue (1993)
Ellen Albertini Dow Esther Kettering Esther Kettering See fewer		The Wedding Singer (1998)
Gregory Phelan Chris Sanderson Chris Sanderson See fewer		Fear No Fruit (2015)