Flash of Genius (2008)

Greg Kinnear

Bob Kearns

Tim Eddis

Maryland Cop #2

Karl Pruner

Scott

Dermot Mulroney

Gil Previck

Lauren Graham

Phyllis Kearns

Landon Norris

Young Dennis

Shae Norris

Young Patrick

Ronn Sarosiak

Paul Previck

Duane Murray

Jim

Kate Greenhouse

Jean Previck

Philip Nessel

Frank Sertin

Mitch Pileggi

Macklin Tyler

Richard Blackburn

Real Estate Agent (as Michael Spencer Davis)

Michael Rhoades

Salesman

Nicole Crozier

Waitress #2

Sergio Di Zio

Louis

Ashley Wright

MC / Singer

Richard Fitzpatrick

Barney Howell

Jared Durand

Nerdy Student

Kristian Truelsen

Doctor

Simon Reynolds

Angry Driver

Denis Akiyama

Dr. Ito

Liam Wright

Gregory Lawson

Aaron Abrams

Ian Meillor

Jake Abel

Dennis (21 Years)

Tim Kelleher

Charlie Defao

Tatiana Maslany

Older Kathy

Bill Smitrovich

Judge Franks (as Bill Smitrovitch)

Conor O'Farrell

Chris Finley

Isaac Lupien

Bob Jr.

Grant Boyle

Older Tim

Josette Halpert

Older Maureen

Bruce Gooch

Professor Irwin

Jim Chad

Patron in Diner (uncredited)

TJ Cheslea

Auto Show Patron (uncredited)

David B. Guthrie

Bartender (uncredited)