Mystery Science Theatre 3000 (1988-1999): Where are They Now?

Info derived from imdb. Only roles 2013-on being tracked, Only actors in 3+ episodes noted. Related Projects below. Archive cast not noted for any of the below.

Kevin Murphy (Tom Servo, Professor Bobo, Cambot): in You, Your Brain, & You (2015), Tesla Effect (2014), Hamlet A.D.D. (2014), Total Riff Off (3 episodes 2014); as Writer: RiffTrax Live: Sharknado (2014; also Self); as Self: RiffTrax Live: Anaconda (2014), RiffTrax Live: Godzilla (2014), RiffTrax Live: Santa Claus Conquers the Martians (2013), Return to Eden Prairie: 25 Years of Mystery Science Theater 3000 (2013), RiffTrax Live: Night of the Living Dead (2013), Mystery Science Theater 3000: The Motion Picture Odyssey (2013), RiffTrax Live: Starship Troopers (2013), RiffTrax Live: Night of the Shorts SF Sketchfest 2013 (2013).

Trace Beaulieu (Crow T. Robot, Dr. Clayton Forester): in Other Space (8 episodes 2015, 1 as Puppeteer: Art), Mystery Science Theatre 3000 Turkey Day Marathon (2014), Hamlet A.D.D. (2014), Arrested Development (1 episode 2013);  as Self: Svengoolie (1 episode 2015), Return to Eden Prairie: 25 Years of Mystery Science Theater 3000 (2013), Mystery Science Theater 3000: The Motion Picture Odyssey (2013).

Jim Mallon (Gypsy): last known acting role in 2007 (also Executive Producer/Writer/Director); as Self: Return to Eden Prairie: 25 Years of Mystery Science Theater 3000 (2013), Mystery Science Theater 3000: The Motion Picture Odyssey (2013).

Michael J. Nelson (Mike Nelson): in Armikrog (2015), Total Riff Off (3 episodes 2014); as Writer: VeggieTales in the House (unknown episodes 2014, 1 as Story Editor), RiffTrax Live: Sharknado (2014; also Self); as Self: RiffTrax Live: Anaconda (2014), RiffTrax Live: Godzilla (2014), RiffTrax Live: Santa Claus Conquers the Martians (2013), RiffTrax Live: Night of the Living Dead (2013), Mystery Science Theater 3000: The Motion Picture Odyssey (2013), RiffTrax Live: Starship Troopers (2013), RiffTrax Live: Night of the Shorts SF Sketchfest 2013 (2013).

Frank Conniff (TV’s Frank): last known acting role in 2012; as Writer: Cocktails & Dreams (2015), Greenboy: Prescription for Death (2013; also Executive Producer); as Writer, completed: Sox News (2015); as Self: The Special Without Brett Davis (1 episode 2015), Totally Biased with W. Kamau Bell n(3 episodes 2013).

Joel Hodgson (Joel Robinson): in Steven Universe (10 episodes 2013-2015), Other Space (8 episodes 2015), Arrested Development (1 episode 2013); as Self: Mystery Science Theatre 3000 Turkey Day Marathon (2014), Comedians in Cars Getting Coffee: Single Shot (1 episode 2013), Return to Eden Prairie: 25 Years of Mystery Science Theater 3000 (2013).

Mary Jo Pehl (Pearl Forrester): in Fun with Hackley: Axe Murderer (2016); as Self: Return to Eden Prairie: 25 Years of Mystery Science Theater 3000 (2013).

Bill Corbett (Crow T. Robot, Observer): in The Begun of Tigtone (2014), Total Riff Off (3 episodes 2014); as Writer: RiffTrax Live: Sharknado (2014; also Self); as Self: RiffTrax Live: Anaconda (2014), RiffTrax Live: Godzilla (2014), RiffTrax Live: Santa Claus Conquers the Martians (2013), RiffTrax Live: Night of the Living Dead (2013), Mystery Science Theater 3000: The Motion Picture Odyssey (2013), RiffTrax Live: Starship Troopers (2013), RiffTrax Live: Night of the Shorts SF Sketchfest 2013 (2013).

Patrick Brantseg (Gypsy): last known acting role in 2001; as Self: Return to Eden Prairie: 25 Years of Mystery Science Theater 3000 (2013) Return to Eden Prairie: 25 Years of Mystery Science Theater 3000 (2013).

Alexandra Carr (Magic Voice): no other known acting roles; as Production Manager in 2001.

Paul Chaplin (various): last known acting role in 2007 (also Writer); as Self: Return to Eden Prairie: 25 Years of Mystery Science Theater 3000 (2013).

J. Elvis Weinstein (Tom Servo, Dr. Laurence Erhardt): in Mystery Science Theatre 3000 Turkey Day Marathon (2014); as Writer/Executive Producer/Director: Michael Des Barres: Who Do You Want Me to Be? (2014).

Bridget Jones (Flavia, etc): no other known acting roles; as Writer in 2001, as Self in 2008.

Beth McKeever (various): last known acting role in 2010 video game, 2007 non-video game (see Film Crew below for latter); as Self: Return to Eden Prairie: 25 Years of Mystery Science Theater 3000 (2013).

Peter Rudrud (various): last known acting role in 2004; as Self in 2009.

Bradley J. Keely (various): no other known acting roles; as Editor: Bizarre Foods - Delicious Destinations (1 episode 2015).

Nathan Molstead (Jerry): no other known acting roles (also Intern).

Timothy Scott (various): last known acting role in 2002; as Executive Producer in 2010.

Faye Burkholder (various): no other known acting roles (also Makeup Artist/Hair Stylist/Writer).

Mystery Science Theatre 3000: The Movie (1996)

Feature film version of the series

Trace Beaulieu (Dr. Clayton Forester, Crow T. Robot), Michael J. Nelson (Mike Nelson), Jim Mallon (Gypsy), Kevin Murphy (Tom Servo): as above.

John Brady (Benkitnorf): last known acting role in 2009.

The Film Crew (2007)

Four video series with three cast members from Mystery Science Theatre 3000 doing similar movie riffs.

Bill Corbett, Kevin Murphy, Michael J. Nelson (all: Himself); Beth McKeever (Bob Honcho's Secretary): see above.

Mike Dodge (Bob Honcho): no known subsequent acting roles.

RiffTrax and Cinematic Titanic, with many of the same people are not cover at this because there are no skits beyond the acting riffing commentary tracks, plus it’s harder to find sites that determine has has appeared in how many published releases.