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Nathan Fillion

PersonBorn Mar 27, 1971 (age 55)Edmonton, Alberta, Canada

Canadian-American actor (born 1971)

Person Rank
May 20, 2026
#688
Most popular person
Buzz Score
May 20, 2026
4.8
Good

Buzz Score is a daily 0-100+ popularity score based on public activity across the web.

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Person

Nathan Fillion

Nathan Fillion (born March 27, 1971) is a Canadian actor known for his roles in popular TV shows and films. He gained widespread recognition for his portrayal of Captain Malcolm 'Mal' Reynolds in the television series Firefly and its film continuation Serenity. Fillion also played the role of Richard Castle in the TV show Castle. Currently, he stars as John Nolan and serves as an executive producer on the hit TV series The Rookie, along with its spin-off The Rookie: Feds. Additionally, Fillion has voiced characters in various animated DC Comics projects and is set to play Guy Gardner/Green Lantern in James Gunn's DC Universe. He has also appeared in films like Slither and Trucker, and has lent his voice to video games such as the Halo series and M.O.D.O.K. (2021).

Rank#688
Buzz Score4.8
Details
Known ForActing
Birthday1971
Links
X@NathanFillionnathanfillionWikipediaIMDb
Daily update · May 20, 2026

Nathan Fillion ranks #688 most popular person with a Buzz Score of 4.8. Nathan Fillion peaked at #1,795 of all time (Jul 6 - Aug 4, 2025). Nathan Fillion ranks #446 over the past 365 days.

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Nathan Fillion

Popularity Rankings & History

Current and historical popularity rankings

Ranks on May 20, 2026

Overall popularity
#688
People

Ranking History

Peak, 1-year, and top-chart days
Peak Buzz Score
17.4
#1,795Overall rank
Jul 6 - Aug 4, 2025
1-Year Buzz Score
6.8
#446Overall rank
Last 365 days
Days at #1
0
Past 365 days
Days in Top 10
0
Past 365 days
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Nathan Fillion Buzz Score History
Daily Buzz Score over the last 30 days
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Nathan Fillion Top TV Shows
Nathan Fillion's shows ranked by Buzz Score
1
The Rookie
The Rookie
John Nolan · 144 ep · 2018 – Present
9.7
2
The Big Bang Theory
The Big Bang Theory
Nathan Fillion · 1 ep · 2007 – 2019
6.3
3
Saturday Night Live
Saturday Night Live
Self - Cameo (uncredited) · 1 ep · 1975 – Present
5.4
4
Rick and Morty
Rick and Morty
Cornvelious Daniel (voice) · 1 ep · 2013 – Present
4.7
5
Modern Family
Modern Family
Rainer Shine · 7 ep · 2009 – 2020
4.4
6
Lost
Lost
Kevin Callis · 1 ep · 2004 – 2010
3.4
7
Brooklyn Nine-Nine
Brooklyn Nine-Nine
Mark Devereaux · 1 ep · 2013 – 2021
2.6
8
Desperate Housewives
Desperate Housewives
Adam Mayfair · 11 ep · 2004 – 2012
2.5
9
American Dad!
American Dad!
American Businessman Klaus (voice) · 1 ep · 2005 – Present
2.2
10
American Dad!
American Dad!
Liver / Joel Larson (voice) · 1 ep · 2005 – Present
2.2
11
Peacemaker
Peacemaker
Guy Gardner · 1 ep · 2022 – 2025
2.2
12
Buffy the Vampire Slayer
Buffy the Vampire Slayer
Caleb · 5 ep · 1997 – 2003
2.2
13
Resident Alien
Resident Alien
Octopus (voice) · 2 ep · 2021 – 2025
2.1
14
Resident Alien
Resident Alien
42 (voice) · 4 ep · 2021 – 2025
2.1
15
Gravity Falls
Gravity Falls
Preston Northwest (voice) · 4 ep · 2012 – 2016
2.0
16
Firefly
Firefly
Mal Reynolds · 11 ep · 2002
2.0
17
Community
Community
Bob Waite · 2 ep · 2009 – 2015
1.9
18
Castle
Castle
Richard Castle · 173 ep · 2009 – 2016
1.8
19
King of the Hill
King of the Hill
Frisbee Guy (voice) · 1 ep · 1997 – Present
1.4
20
The Mighty Nein
The Mighty Nein
The Gentleman (voice) · 3 ep · 2025 – Present
1.1
21
The Mighty Nein
The Mighty Nein
The Gentleman (Voice) · 1 ep · 2025 – Present
1.1
22
Jimmy Kimmel Live!
Jimmy Kimmel Live!
Self - Guest · 1 ep · 2003 – Present
0.9
23
Big Mouth
Big Mouth
2017 – 2025
0.8
24
Big Mouth
Big Mouth
Nathan Fillion (voice) · 9 ep · 2017 – 2025
0.8
25
A Series of Unfortunate Events
A Series of Unfortunate Events
Jacques Snicket (voice) · 1 ep · 2017 – 2019
0.8
26
A Series of Unfortunate Events
A Series of Unfortunate Events
Jacques Snicket · 9 ep · 2017 – 2019
0.8
27
The Rookie: Feds
The Rookie: Feds
John Nolan · 3 ep · 2022 – 2023
0.7
28
Krapopolis
Krapopolis
Zan (voice) · 2 ep · 2023 – Present
0.7
29
American Housewife
American Housewife
Nathan Fillion · 2 ep · 2016 – 2021
0.7
30
Family Law
Family Law
Bud Nielsen · 1 ep · 2021 – 2026
0.6
31
The View
The View
Self - Guest · 1 ep · 1997 – Present
0.6
32
The Venture Bros.
The Venture Bros.
Brown Widow (voice) · 4 ep · 2004 – 2018
0.6
33
The Recruit
The Recruit
CIA Director Alton West · 5 ep · 2022 – 2025
0.6
34
Santa Clarita Diet
Santa Clarita Diet
Gary West · 6 ep · 2017 – 2019
0.5
35
LIVE with Kelly and Mark
LIVE with Kelly and Mark
Self - Guest · 2 ep · 1988 – Present
0.5
36
The Kelly Clarkson Show
The Kelly Clarkson Show
Self · 1 ep · 2019 – 2026
0.5
37
Conan
Conan
Self · 1 ep · 2010 – 2021
0.4
38
Monsters at Work
Monsters at Work
Johnny (voice) · 8 ep · 2021 – 2024
0.4
39
Drunk History
Drunk History
Wernher von Braun · 1 ep · 2013 – 2019
0.3
40
Bupkis
Bupkis
Ace Spade · 1 ep · 2023
0.3
41
The Jennifer Hudson Show
The Jennifer Hudson Show
Self · 1 ep · 2022 – Present
0.2
42
Talking Dead
Talking Dead
Self · 1 ep · 2011 – 2022
0.2
43
Marvel's M.O.D.O.K.
Marvel's M.O.D.O.K.
Simon Williams / Wonder Man (voice) · 2 ep · 2021
0.1
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