Adam Soong / Data / Dr. Altan Inigo Soong (10 episodes, 2020-2023)
The Joker (2 episodes, 2011-2021)
The Joker (6 episodes, 2021)
Ned Vanderhoff (6 episodes, 2020)
Dr. Emry (1 episode, 2019)
Edward Nigma / Riddler (1 episode, 2017)
Sidney (17 episodes, 2016-2017)
The Architect (1 episode, 2017)
Phil (4 episodes, 2015-2016)
Dr. Brakish Okun
Ezekiel
Puck (1 episode, 2015)
The Sandman (1 episode, 2015)
Gall Trayvis (4 episodes, 2014-2015)
Vega (voice)
Silver Surfer (1 episode, 2014)
Therapist (3 episodes, 2014)
Data (voice)
Brent Spiner (1 episode, 2013)
Dr. Noonien Soong / Gondola Jack / Medic (1 episode, 2013)
Dr. Gabriel Rylander / additional voices / Additional Voices (4 episodes, 2010-2013)
Brother Adrian (6 episodes, 2012)
Brent Spiner (15 episodes, 2011-2012)
Zebediah Killgrave / Purple Man (1 episode, 2012)
Robots (1 episode, 2012)
Brent Spiner (1 episode, 2011)
Dr. Kern (1 episode, 2011)
Coach Mackey (voice)
Brent Spiner (1 episode, 2009)
William Quint (1 episode, 2009)
Dr. Strom
Tommy Katzenbach
Dr. Nigel Fenway (13 episodes, 2005-2006)
Dr. Arik Soong / Lt. Cmdr. Data (4 episodes, 2004-2005)
Brent Spiner (1 episode, 2005)
Robert Gross
Graham Barnes (1 episode, 2004)
Vernon
James Campbell (1 episode, 2004)
Brad
Albert (1 episode, 2003)
Data / B-4
Devlin Bowman
Commander Data (voice)
Shoe Salesman
Dorris Grabney
Lt. Cmdr. Data (voice)
Bob
Pierre (uncredited)
Stromboli (1 episode, 2000)
Earl Mills
Conan O'Brien (voice)
Data
Gil Godwyn
Dr. Bob
Professor Trent Davis (1 episode, 1996)
Puck (4 episodes, 1995-1996)
Dr. Strongwater (1 episode, 1996)
Milo (voice)
Danny Schlecht (1 episode, 1995)
Upscale Guy
(uncredited)
Bob, the Dog Agent (1 episode, 1995)
Brent Witherspoon
Lt. Cmdr. Data / Lore / Dr. Noonien Soong / Frank Hollander / Eli Hollander / Henchman / Bandito / Annie Meyers / Dr. Ira Graves / Sherlock Holmes (176 episodes, 1987-1994)
Talkshow Guest (uncredited)
Preacher Mann
Brentwood Carter
Ken McMahon
Bob Wheeler (7 episodes, 1985-1987)
Soldier (1 episode, 1987)
Billy Bob Conroy (2 episodes, 1986-1987)
Bill Grand (1 episode, 1987)
Willie Vaughn (1 episode, 1986)
Jim Stevens
Clinton C. Waddle
Franz / Dennis (1 episode, 1986)
Draft Dodger (segment "Dead Run") (1 episode, 1986)
Hinnerman
Larry Stein (1 episode, 1985)
Allard Lowenstein (3 episodes, 1985)
Ralph Harley (1 episode, 1984)
Reverend Peabody (1 episode, 1984)
Student in Reese's Class (1 episode, 1984)
Corinne Burns' Boss (uncredited)
Leonard Junger
Doctor Examining Kim (1 episode, 1981)
Fan in Lobby
Fred (1 episode, 1979)
Tom Fink
Local (uncredited)