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Devil in Disguise: John Wayne Gacy
Cast
83 cast members · 32 with popularity data
Stats
Top Cast
Episode Ratings
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Full Cast
Sorted by Buzz Score · April 21, 2026
1
Michael Angarano
Sam Amirante
· 8 eps
4.3
#728 overall
2
James Badge Dale
Chief of Detectives Joe Kozenczak
· 8 eps
1.3
#3,484 overall
3
Marin Ireland
Elizabeth Piest
· 8 eps
1.2
#3,982 overall
4
Nina Kiri
Mary Amirante
· 3 eps
1.0
#4,554 overall
5
Greg Bryk
Harold Piest
· 8 eps
0.6
#6,755 overall
6
Gabriel Luna
Det. Rafael Tovar
· 8 eps
0.5
#7,467 overall
7
Chris Sullivan
Lead Prosecutor Bill Kunkle
· 8 eps
0.5
#7,657 overall
8
Michael Chernus
John Wayne Gacy
· 8 eps
0.4
#9,056 overall
9
Mary Wiseman
Karen Gacy
· 1 eps
0.2
#12,610 overall
10
Augustus Prew
Jeffrey
· 3 eps
0.2
#13,402 overall
11
Sprague Grayden
Bessie Stapleton
· 3 eps
0.2
#13,442 overall
12
Lauren Collins
Genie Godzik
· 1 eps
0.2
#13,880 overall
13
Gavin Lewis
Timothy McCoy
· 1 eps
0.1
#14,462 overall
14
Mallory Bechtel
Mary Jane
· 2 eps
0.1
#14,994 overall
15
Colton Ryan
Billy Kindred
· 1 eps
0.1
#15,523 overall
16
Michael Esper
Bob Motta
· 3 eps
0.1
#15,665 overall
17
Christopher Jacot
Detective Everford
· 1 eps
0.1
#16,011 overall
18
Krista Bridges
Rosemarie Szyc
· 3 eps
0.1
#16,045 overall
19
Quincy Tyler Bernstine
Dr. Healy
· 1 eps
0.1
#19,428 overall
20
Morgan Kelly
Fred Richman
· 1 eps
0.0
#21,065 overall
21
Kristine Nielsen
Marion Gacy
· 2 eps
0.0
#22,053 overall
22
Ella Rae Peck
Rose Perino
· 1 eps
0.0
#22,082 overall
23
Lynne Griffin
Gladys
· 1 eps
0.0
#23,264 overall
24
Dan Lett
Dr. Stein
· 1 eps
0.0
#23,314 overall
25
Alex Paxton-Beesley
Helen
· 2 eps
0.0
#23,477 overall
26
Dylan Taylor
CPD Officer O'Neal
· 1 eps
0.0
#24,040 overall
27
Nigel Shawn Williams
John Davis
· 1 eps
0.0
#24,125 overall
28
Luke Humphrey
Terry Sullivan
· 1 eps
0.0
#24,151 overall
29
Ted Dykstra
Det. Allen Fanholm
· 5 eps
0.0
#24,618 overall
30
Cameron Brodeur
Michael Rossi
· 1 eps
0.0
#27,514 overall
31
Brenda Bazinet
Eugenia Godzik
· 1 eps
0.0
#27,779 overall
32
Ish Morris
Guard Jenkins
· 1 eps
0.0
#28,238 overall
33
Ryker Baloun
Rob Piest
· 2 eps
—
34
Etienne Kellici
Samuel Stapleton
· 2 eps
—
35
Finlay Wojtak-Hissong
Randy Reffett
· 1 eps
—
36
Robert Meynell
Donald Voorhees Sr.
· 1 eps
—
37
Andrew Johnston
Donald Voorhees Jr
· 1 eps
—
38
Joshua Kilimnik
Teenage Gacy
· 1 eps
—
39
Max Mattern
Billy Carroll
· 1 eps
—
40
Mason Versaw
Robert Donnelly
· 2 eps
—
41
Jake Horowitz
David Cram
· 3 eps
—
42
Brayden Raqueño
Dale Landingin
· 1 eps
—
43
Hamish Allan-Headley
Det. Michael Albrecht
· 3 eps
—
44
Cricket Brown
Kerry Piest
· 6 eps
—
45
Thom Nyhuus
Kenneth Piest
· 4 eps
—
46
Desmond Sivan
Fred Tovar
· 1 eps
—
47
Levi Shelton
John 'Johnny' Szyc
· 1 eps
—
48
Tom Barnett
Richard Szyc
· 1 eps
—
49
Chloe Avakian
Patti Szyc
· 3 eps
—
50
Eva Foote
Carol Gacy
· 2 eps
—
51
Mitchell Court
Eldest Szyc Son
· 1 eps
—
52
Yona Epstein-Roth
Cliff
· 1 eps
—
53
Rolando Alvarez Giacoman
Janitor
· 1 eps
—
54
Megan Murphy
Lynn Meadows
· 1 eps
—
55
Lena Pepe
Juanita
· 2 eps
—
56
Christian Bako
Marko Butkovich
· 2 eps
—
57
Jim Annan
Judge Louis Garippo
· 2 eps
—
58
Samantha Adams
Marlynn Gacy
· 1 eps
—
59
Jessie Behan
Young Marion Gacy
· 1 eps
—
60
Kathryn Bellamy
Beth
· 1 eps
—
61
Alec Dahmer
Rookie Cop
· 1 eps
—
62
Ianne Fields Stewart
Sophia St. Laurent
· 1 eps
—
63
Lizzie Moffatt
Young Woman 1
· 1 eps
—
64
Aidan Pinsler
Young Male
· 1 eps
—
65
Amanda Cheung
Hot Girl
· 1 eps
—
66
Matthew Chiarelli
Delivery Man 1
· 1 eps
—
67
Mira Skye Korngold
Waitress
· 1 eps
—
68
Sam Wexler
Delivery Man 2
· 1 eps
—
69
Crede Cooper
John Butkovich
· 1 eps
—
70
Thomas Mitchell Barnet
Phil Torf
· 1 eps
—
71
Alexander Crowther
Detective Janus
· 1 eps
—
72
Jarrod Vanvolkenburg
Jerry Latherow
· 1 eps
—
73
Aidan Wojtak-Hissong
Randy Reffett
· 1 eps
—
74
Brandon McEwan
Philip Paske
· 1 eps
—
75
Aidan Gouveia
Greg Godzik
· 1 eps
—
76
Rayisa Kondracki
Geraldine
· 1 eps
—
77
Daniel Griffin
Charlie Reynolds
· 1 eps
—
78
Dwight Ireland
Press Conference Reporter
· 1 eps
—
79
E. Fegan DeCordova
Reporter
· 1 eps
—
80
Karrie Kwong
Reporter
· 1 eps
—
81
R Austin Ball
Ron Dovenek
· 1 eps
—
82
Kylee Evans
Deanna Amirante
· 1 eps
—
83
Marcia Bennett
Delores Nieder
· 1 eps
—
Devil in Disguise: John Wayne Gacy Stats
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