DAHMER - Monster: The Jeffrey Dahmer Story (TV) Cast
The cast of DAHMER - Monster: The Jeffrey Dahmer Story. Updated on August 12, 2025.
226 actors
Evan Peters
as Jeffrey Dahmer (10 episodes)

Evan Peters plays Jeffrey Dahmer, the notorious serial killer central to the show's storyline.

Richard Jenkins
as Lionel Dahmer (10 episodes)

Richard Jenkins portrays Lionel Dahmer, Jeffrey's father, who struggles with the impact of his son's actions.

Molly Ringwald
as Shari Dahmer (10 episodes)

Molly Ringwald takes on the role of Shari Dahmer, Jeffrey's stepmother.

Michael Learned
as Catherine Dahmer (10 episodes)

Michael Learned plays Catherine Dahmer, Jeffrey's grandmother.

Niecy Nash-Betts
as Glenda Cleveland (10 episodes)

Niecy Nash-Betts is Glenda Cleveland, the neighbor who suspects Jeffrey's disturbing activities.

Brey Chanadet
as Other Kid (1 episode)
Nick Fisher
as Young Jeffrey Dahmer (1 episode)

Nick Fisher depicts a young Jeffrey Dahmer, showing his early years.

Michael Beach
as Det. Dennis Murphy (6 episodes)

Michael Beach plays Detective Dennis Murphy, involved in the investigation of Dahmer's crimes.

Colby French
as Patrick Kennedy (6 episodes)

Colby French portrays Patrick Kennedy, an officer related to Dahmer's case.

Mac Brandt
as Robert Rauth (2 episodes)

Mac Brandt plays Robert Rauth, involved in the narrative surrounding Dahmer.

Shaun Brown
as Tracy Edwards (3 episodes)

Shaun Brown is Tracy Edwards, who narrowly escapes Dahmer and leads to his capture.

Grant Harvey
as Rolf Mueller (2 episodes)

Grant Harvey portrays Rolf Mueller, one of the officers who arrests Dahmer.

Penelope Ann Miller
as Joyce Dahmer (3 episodes)
Kieran Tamondong
as Konerak Sinthasomphone (3 episodes)
Josh Braaten
as Young Lionel Dahmer (2 episodes)
Cameron Cowperthwaite
as Steven Hicks (2 episodes)
Nigel Gibbs
as Reverend Jesse Jackson (2 episodes)
Furly Mac
as Christopher Scarver (2 episodes)
Justin Stella
as Derek (1 episode)
Verton R. Banks
as Kareem (1 episode)
Andy Taylor Kim
as Investigator (1 episode)
Ken Lerner
as Joe Zilber (1 episode)
Savannah Brown
as Young Joyce Dahmer (2 episodes)
Michael Andrew Baker
as Lionel’s Lawyer (1 episode)
Jesse Bush
as Officer #1 (1 episode)
Thomas Crawford
as Judge (1 episode)
Colin Ford
as Chazz (1 episode)
Karole Foreman
as Dottie (1 episode)
Asa Germann
as Blonde Jogger (1 episode)
Matthew Gilmore
as Officer #2 (1 episode)
Trilby Glover
as Guidance Counselor (1 episode)
Alex Hyde-White
as Doctor (1 episode)
Emma Kennedy
as Denise (1 episode)
Peter MacKenzie
as Mr. Bertoglio (1 episode)
Tenz McCall
as Young David Dahmer (1 episode)
David Theune
as Math Teacher (1 episode)
Ato Blankson-Wood
as Aaron (1 episode)
Chris Gann
as Police Officer #1 (2 episodes)
Rhoyle Ivy King
as Don (1 episode)
Joshua Edward Moore
as CSI Investigator (1 episode)
Mark Reininga
as Young Police Officer (2 episodes)
Nancy Harding
as Realtor (1 episode)
Nicole Alicia Xavier
as Mean Girl (1 episode)
Leanne Suter
as On Camera Reporter (2 episodes)
Matthew Alan
as Officer Gabrish (3 episodes)
Scott Michael Morgan
as Officer Balcerzak (3 episodes)
Hope Banks
as Mrs. Hempsill (1 episode)
Rodney Burford
as Tony Hughes (3 episodes)
Cole Capps
as Kevin (1 episode)
Ken Clement
as Wally the Butcher (2 episodes)
Tyler Crim
as Paramedic #2 (1 episode)
Lola Rae Crist
as Friend (1 episode)
Tempany Deckert
as Front Desk Police Officer (1 episode)
Johnny Mansbach
as Diner Patron (2 episodes)
Peter Holden
as Police Officer (1 episode)
Daniel Curtis Lee
as Police Photographer (1 episode)
Keylor Leigh
as Department Store Clerk (1 episode)
Travon McCall
as Police Lieutenant (1 episode)
Dia La Ren Nash
as Sandra Smith (3 episodes)
Curtis Nelson II
as Paramedic #1 (1 episode)
Teshi Thomas
as Nicole Childress (1 episode)
Vince Hill-Bedford
as Steven Tuomi (1 episode)
Blake Cooper Griffin
as Charles (1 episode)
Mark Atteberry
as Dr. Park Dietz - Psychologist (1 episode)
Hollie Bahar
as Field Surgeon (1 episode)
Fiona Bishop
as Yearbook Girl (1 episode)
Bottara Angele
as National Honours Society Club Member (1 episode)
Aaron Coleman
as Dean of Students (1 episode)
Bill Doyle
as Special Agent (1 episode)
Brie Eley
as Clinician (1 episode)
James Hunter
as Detective (1 episode)
Isaac Faulkner
as Dan (1 episode)
Michael Germant
as Seth (1 episode)
Brittany Giles
as Tina (1 episode)
Steve Hasley
as Photographer (1 episode)
John Ahle Kellar
as Doug Brozovsky (1 episode)
Eugene Ko
as Yearbook Guy (1 episode)
Teddy Margas
as Sticky Ricky (1 episode)
Collie Jay Simmons
as Bartender (1 episode)
Carson Zone
as Tanner (1 episode)
Dyllón Burnside
as Ronald Flowers (3 episodes)
Benjahmin Svyatoslavich
as Anthony Sears (1 episode)
Matt Cordova
as Detective Rauss (1 episode)
Jamela Asha
as Stenographer (1 episode)
Skyler Bible
as Richard Guerrero (1 episode)
Ivar Brogger
as Judge (1 episode)
Ron Bush
as Jeffery’s Lawyer (1 episode)
Crystal Coney
as Nurse (1 episode)
Samjai Daniels
as James Doxator (1 episode)
Scott Paophavihanh
as Anouke Sinthasomphone (5 episodes)
Lacy Diamond
as Prisoner #1 (1 episode)
Dion LaMarr Harvey
as Prisoner #2 (1 episode)
Somlit Inthalangsy
as Sayamone Sinthasomphone (4 episodes)
Süfyan Elmoumi
as Club Patron (1 episode)
Mathew Trent Hunnicutt
as Coroner (1 episode)
Ken Ivy
as African American Man (1 episode)
Phet Mahathongdy
as Somdy Sinthasomphone (5 episodes)
Harry L. Michaels Jr.
as Club Patron (1 episode)
Brayden Maniago
as Somsack Sinthasomphone (5 episodes)
Christian Weissmann
as Sam (1 episode)
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