Cast & creator
John Ruby
Best known for CSI: Crime Scene Investigation, Castle, S.W.A.T.
Also known as: John Jacob Ruby
Movies
8
film credits
Series
17
television credits
Career
23
2000–2025 · acting roles
Credit score
6.6
average across scored titles
Signature credits
Known for
Across film & television
Filmography (25)
Showing 25 of 25 credits
Series
★ 7.6
CSI: Crime Scene Investigation
Keith Garner / Charming Guy
2000
Series
★ 8.0
Castle
Mark
2009
Series
★ 8.0
S.W.A.T.
Phil
2017
Series
★ 7.2
2 Broke Girls
Biker
2011
Series
★ 7.7
For All Mankind
Controller John
2019
Series
★ 8.1
9-1-1: Lone Star
Drew
2020
Series
★ 6.5
Cougar Town
Barista
2009
Series
★ 7.8
Shrinking
Man
2023
Series
★ 6.9
Happy Endings
Player #1
2011
Series
★ 6.9
Speechless
Kevin
2016
Series
★ 7.7
Key & Peele
Secret Service Agent
2012
Series
★ 6.8
Don't Trust the B---- in Apartment 23
Cute Guy
2012
Series
★ 5.6
Dr. Ken
Austin
2015
Series
★ 6.6
The Client List
Worker
2012
Series
★ 7.3
Running Point
Coach Ruby
2025
Series
★ 6.8
Penny Dreadful: City of Angels
Beverly Hills Policeman
2020
Series
★ 5.5
Perfect Couples
Handsome Guy
2010
Movie
★ 4.0
The Murders of Brandywine Theater
Producer
2014
Movie
★ 4.2
Touch
Brendan
2011
Movie
★ 5.0
Solver
Luke Williams
2017Movie
★ 5.0
Solver
Producer
2017T
Movie
The Case of Jonas Booker
Danny Sinclair
2019
Movie
★ 5.9
Cerebrum
Reinhard Kindler
2021
Movie
Recoil
Marshall Walker
2014T
Movie
The Amateur
Will George
2014