Flash of Genius Cast
The cast of Flash of Genius including popularity data. Data for April 22, 2025.
Greg Kinnear
as Bob Kearns

Portrayed the character Bob Kearns.

#5
Most popular actor on Flash of Genius
2,151 Wikipedia views yesterday
Lauren Graham
as Phyllis Kearns

Portrayed the character Phyllis Kearns.

#1
Most popular actor on Flash of Genius
7,724 Wikipedia views yesterday
Dermot Mulroney
as Gil Previck

Portrayed the character Gil Previck.

#3
Most popular actor on Flash of Genius
3,280 Wikipedia views yesterday
Jake Abel
as Dennis

Portrayed the character Dennis.

#8
Most popular actor on Flash of Genius
294 Wikipedia views yesterday
Daniel Roebuck
as Frank Sertin

Portrayed the character Frank Sertin.

#6
Most popular actor on Flash of Genius
1,283 Wikipedia views yesterday
Mitch Pileggi
as Macklin Tyler

Portrayed the character Macklin Tyler.

#7
Most popular actor on Flash of Genius
670 Wikipedia views yesterday
Tim Kelleher
as Charlie Defao

Portrayed the character Charlie Defao.

Bill Smitrovich
as Judge Franks

Portrayed the character Judge Franks.

#9
Most popular actor on Flash of Genius
218 Wikipedia views yesterday
Conor O'Farrell
as Chris Finley
Alan Alda
as Gregory Lawson
#2
Most popular actor on Flash of Genius
3,974 Wikipedia views yesterday
Tim Eddis
as Maryland Cop #1
Warren Belle
as Maryland Cop #2
Karl Pruner
as Pete
Bill Lake
as Scott
#15
Most popular actor on Flash of Genius
8 Wikipedia views yesterday
Landon Norris
as Young Dennis
Shae Norris
as Young Kathy
Steven Woodworth
as Young Tim
Victoria Learn
as Young Maureen
Dylan Authors
as Young Patrick
Ronn Sarosiak
as Reverend
Gavin Kuiack
as Baby Bob Jr.
Ben Kuiak
as Baby Bob Jr.
Tom Rooney
as Jerry Barnley
Kate Parker
as Waitress
Andrew Gillies
as Paul Previck
Duane Murray
as Jim
Kate Greenhouse
as Jean Previck
Philip Nessel
as Club Member
Liam Titcomb
as Joe Warwick
Sal Scozzari
as Workman #1
Richard Blackburn
as Executive One
#16
Most popular actor on Flash of Genius
5 Wikipedia views yesterday
Michael Spencer-Davis
as Real Estate Agent
Michael Rhoades
as Salesman
Nicole Crozier
as Waitress #2
Sergio Di Zio
as Louis
#12
Most popular actor on Flash of Genius
112 Wikipedia views yesterday
Ashley Wright
as Security Officer
Jonathan Whittaker
as MC / Singer
Richard Fitzpatrick
as Barney Howell
Jared Durand
as Student
London Angelis
as Wade
Matthew Edison
as Nerdy Student
#14
Most popular actor on Flash of Genius
25 Wikipedia views yesterday
Kristian Truelsen
as Doctor
Simon Reynolds
as Angry Driver
Denis Akiyama
as Dr. Ito
#11
Most popular actor on Flash of Genius
115 Wikipedia views yesterday
Owen Wright
as Toddler Bob Jr.
Liam Joseph Wright
as Toddler Bob Jr.
Quancetia Hamilton
as Case Worker
Aaron Abrams
as Ian Miellor
#10
Most popular actor on Flash of Genius
182 Wikipedia views yesterday
Tatiana Maslany
as Older Kathy
#4
Most popular actor on Flash of Genius
3,184 Wikipedia views yesterday
Isaac Lupien
as Bob Jr.
Grant Boyle
as Older Patrick
Ashton Doudelet
as Older Tim
Josette Halpert
as Older Maureen
Bruce Gooch
as Jury Foreman
Chuck Shamata
as Professor Irwin
#13
Most popular actor on Flash of Genius
65 Wikipedia views yesterday
For the best insights and data about Flash of Genius, visit our main Flash of Genius page.