Born in Arkansas to a graphic-artist mother and a set-designer father of Czech heritage, Nemec entered the performing arts after studying with the Centre Stage LA theater troupe, which led to commercial work and his first feature, Tucker: The Man and His Dream (1988). An early television breakthrough came with an Emmy-nominated portrayal of Steven Stayner in the NBC miniseries I Know My First Name… Read more
Biography written by WatchMoods, based on public sources
Known for Supernatural 2005 Smallville 2001 NCIS 2003 Stargate SG-1 1997 Series ★ 6.8 The Stand 1994
Harold Lauder ★ 6.7 Tucker: The Man and His Dream 1988
Noble Series ★ 7.4 Parker Lewis Can't Lose 1990
Parker Lewis ★ 6.5 Run Hide Fight 2021
Beat Cop ★ 7 The War at Home 1996
Donald Series ★ 6.7 I Know My First Name Is Steven 1989
Steven Stayner ★ 7 Dead Man's Hand 2023
Red ★ 6.8 The Wrong Stepmother 2019
Michael ★ 5.5 This Magic Moment 2013
Jack ★ 5.8 Drop Zone 1994
'Selly' Selkirk ★ 5.4 Place of Bones 2024
Calhoun ★ 5 Marriage of Lies 2016
Det. Gus Ferguson ★ 4.8 All Roads to Pearla 2019
Cowboy Loy ★ 4.7 A Christmas Cruise 2017
Gil ★ 5.2 Mosquito Man 2005
Lt. Thomas Randall ★ 4 Bundy: A Legacy of Evil 2008
Ted Bundy ★ 5 Dragon Wasps 2012
John Hammond ★ 4.8 Drone Wars 2016
Elias ★ 4.9 Mojave Moon 1996
Car Thief ★ 3.8 RoboDoc 2009
Dr. Callaby ★ 4.4 Solar Crisis 1992
Mike Kelso ★ 4.6 Raging Sharks 2005
Dr. Mike Olsen ★ 3.4 Chicago Massacre: Richard Speck 2007
Richard Speck ★ 3.7 Boston Strangler The Untold Story 2008
Stuart Whitmore ★ 4.4 RoboCroc 2013
Duffy ★ 4.4 Sea Beast 2008
Will McKenna ★ 4.5 Jurassic Attack 2013
Colonel Carter ★ 5.2 Operation Dumbo Drop 1995
Sp5 Lawrence Farley ★ 4.3 House of Bones 2010
Quentin French ★ 3.7 Sand Sharks 2011
Jimmy Green Start from another title