Mister Rogers (1963-1967) and Mister Rogers’ Neighborhood (1968-2001): Where are They Now?

Info derived from the imdb. Only works 2013 and later being tracked. Only actors in 4+ episodes noted. If no role noted, appeared as Self.

Mister Rogers (1963-1967) aka Misterogers; Canadian Series

Fred Rogers (Self/King Friday XIII): died in 2003.

Allan Blye (Self/Captain Blye): last known acting role in 2009 (also Executive Producer).

Don Francks (Mr. Anybody): died in 2016; in Gangland Undercover (6 episodes 2015), The Second Time Around (2015), Hemlock Grove (7 episodes 2013).    

Donna Miller: no known subsequent acting roles.

Maxine Miller (Nurse Farmer): in The Magic Stocking (2015), UnREAL (1 episode 2015), Murder, She Baked: A Chocolate Chip Cookie Mystery (2015), The Flash (1 episode 2015), Splitting Adam (2015), Grace: The Possession (2014), The Timekeeper (2014), Primary (2014), Hattie's Heist (2014), Barbie & Her Sisters in a Pony Tale (2013), Percy Jackson: Sea of Monsters (2013), King & Maxwell (1 episode 2013), Psych (1 episode 2013).

Joey Hollingsworth: last known acting role as Self in 1974 (the later series).

Emilie Jacobson (Miss Emilie): last known acting role in 1969 (the later series).

Willie Saunders (Coach Saunders): last known acting role in 1982 (the later series).

Josie Carey: died in 2004.

Tom Kneebone (Thomas Farmer): died in 2003.

Anna Haworth (Digger Digorum): last known acting role in 1975 (the later series).

Loro Farrell: died in 1997.

Joe Negri (Handyman Negri): last known acting role in 2001 (the later series), as Self in 2008.

Carole Saunders: last known acting role as Self in 1971 (the later series).

Bud Alder (Scientist Alder): last known acting role in 1968 (the later series).

John Ziegler (Jonathan Zoogle): no other known acting roles.

Wally Martin (Self/Mr. Cloudhopper): last known acting role in 1994.

Eric Aldwinkle (Self/Eric Artist): no other known acting roles.

John Reardon (Reardon): died in 1988.

Vija Vetra: last known acting role in 2009.

Norman Welsh (Santa Claus): died in 2008.

Judy Knaiz (Lady Judinaze): last known acting role in 1971.

Don Brockett (Chef Brockett): died in 1995.

Celia Franca: died in 2007.

Bob Jeffrey (Self/Robert Farmer): last known acting role in 2011, then 1967 before that.

Elan Stuart: no known subsequent acting roles.

Barbara Hamilton: died in 1996.

Barbara Spence (Miss Paulifficate): no other known acting roles.

Charles Wallrich (Charles, Duke of Wallrich): no known subsequent acting roles.

Barbara Bryne: last known acting role in 1973.

Mister Rogers' Neighborhood (1968-2000) aka Misterogers’ Neighborhood; American Series

Fred Rogers (above plus Lady Elaine Fairchilde/Daniel Striped Tiger/Queen Sara Saturday/X the Owl/Grandpere/etc.); Betty Aberlin, Joe Negri, Don Brockett, John Reardon, Joey Hollingsworth, Maxine Miller, Don Francks, Anna Haworth, Willie Saunders, Emilie Jacobson, Carole Saunders, Vija Vetra, Bud Alder (latter same roles): see above.

David Newell (Mr. McFeely): no other known acting roles; as Self in 2008.

Robert Trow (Bob Dog/Robert Troll): died in 1998.

Chuck Aber (Charles R. Aber/H.J. Elephant III): last known acting role in 2010.

Bill Barker (Dr. Bill Platypus/ Elsie Jean Platypus): no known subsequent acting roles.

Audrey Roth (Miss Paulifficate): no known subsequent acting roles.

François Scarborough Clemmons (Officer Clemmons): no other known acting roles; as Self in 2011.

Maggie Stewart (Mayor Maggie): no known subsequent acting roles.

Carole Switala (Ana Platypus): no other known acting roles.

Lenny Meledandri (Prince Tuesday): no other known acting roles.

Betty Seamans (Mrs. McFeely): no other known acting roles; as Self in 2008.

Michael Horton (Betty Okanak Templeton-Jones/James Michael Jones/Old Goat): no other known acting roles.

Johnny Costa: died in 1996.

Elsie Neal: no other known acting roles.

David L. Nohling (Purple Panda): died in 2002.

Charles Altman (Prince Tuesday): no other known acting roles.

Marilyn Barnett: died in 2016.

José Cisneros (José): no other known acting roles.

Mary Rawson (Cousin Mary Owl/Mary Sweenie): no other known acting roles.

Adair Roth (Prince Tuesday): no other known acting roles.

Barbara Russell (Mrs. Hilda Dingleborder): last known acting role in 1993.

Yoshi Ito (Pilot Ito): no other known acting roles.

Bob Brown: no other known acting roles; as Self in 2004.

Debbie Neal: no other known acting roles; as Executive Producer in 2012.

Judy B. Brown: died in 2013.

Gladys Schenck (Mrs. Schenck): no other known acting roles.

Zelda Pulliam (Princess Zelda): last known acting role in 1992.

Bobby Rawsthorne: no other known acting roles; as Musician/this series in 2001.

Jewel Walker (Mime Walker): no known subsequent acting roles.

Susan Linn (Self/Audrey Duck/Cat-a-Lion): no other known acting roles; As Self in 2008, as Masseuse in 2006.

Bob Payne (Puppeteer): last known acting role in 1992.

Bert Lloyd (Mr. Allmine): no other known acting roles.

Fred Michael (Prince Tuesday): no other known acting roles.

Christi Engels: no other known acting roles.

Judy Rubin: last known acting role in 2012, then this; as Self: Art Therapy: The Movie (2016).

Keith David (Keith): in Greenleaf (26 episodes 2016-2017), The Nice Guys (2016), Person of Interest (1 episode 2016), Adventure Time with Finn & Jake (5 episodes 2013-2016), Teenage Mutant Ninja Turtles (3 episodes 2015-2016), The North Star (2016), Blue: The American Dream (2016), Dirty Lies (2016), The Hypothetical Star Wars Holiday Special (2015), Uncle Grandpa (1 episode 2015), H4 (2015), Black Jesus (3 episodes 2015), Halo 5: Guardians (2015 video game), If I Tell You I Have to Kill You (2015), Boiling Pot (2015), Extant (1 episode 201t5) Rick and Morty (1 episode 2015), Un gallo con muchos huevos (2015), Union Furnace (2015), Mr. Robot (1 episode 2015), Community (12 episodes 2015), Big Time in Hollywood, FL (6 episodes 2015) What Lives Inside (6 episodes 2015), Dutch Book (2015), Archer (1 episode 2015), Kids vs Monsters (2015), The Marvel Experience (2014), Things You Shouldn't Say Past Midnight (2 episodes 2014), Scorpion (1 episode 2014), Enlisted (13 episodes 2014), Secrets of the Magic City (2014), Secrets of the Magic City (2014), Birds of Paradise (2014), Jabbawockeez: Regenerate (2014), Sealing Your Fate (2014), Frog Kingdom (2013), Free Birds (2013), Once Upon a Time in Wonderland (1 episode 2013), Saints Row IV (2013 video game), Bailout: The Age of Greed (2013), Sons of Liberty (2013), Marvel Heroes (2013 video game), Black Asylum (2013), The Bible (10 episodes 2013), Touch (1 episode 2013), Samuel Bleak (2013), Belle's (6 episodes 2013), Young Justice (1 episode 2013), Don't Pass Me By (2013); Chances (2015), Service to Man (2016), The Last Punch (2016) completed; The Gettysburg Address (2016), American Dresser (2016), Untitled Livi Zheng Project (2016), Range 15 (2016) in post-production; Follow (nd), Jersey 4 (2016), Nat Turner: Story of A Prophet (2017) in pre-production; The 420 Movie: Mary & Jane (nd) in production; as Producer/Self: Creature Feature: 60 Years of the Gill-Man (2014); as Associate Producer, completed: Service to Man (2016); as Self: Jackie Robinson (2 episodes 2016), Chabad Telethon (2015), The Monday Night War: WWE vs. WCW (20 episodes 2014), Chabad Telethon (2014), The 600: History of NASCAR's Toughest Race (2014), Birds of Paradise: Bringing the Characters to Life - At the Recording Studio (2014), Good Day L.A. (1 episode 2013), The History of WWE: 50 Years of Sports Entertainment (2013), Snowflake, the White Gorilla: Giving the Characters a Voice (2013), Chabad Telethon (2013), Battleground Afghanistan (1 episode 2013), Into Forgetfulness (2013), The Making of 'Bailout: The Age of Greed' (2013).

Matt Meko (Purple Panda): no other known acting roles.

Bill Marchl (Dr. Marchl): no other known acting roles.

Carl McVicker: no other known acting roles; as Musician/Composer 9same series) in 2001.

Eric Kloss: no other known acting roles.

Ella Jenkins: last known acting role in 2012, then 1993 before that.

Jim Rogers: no known subsequent acting roles.

Al Worden: no other known acting roles; as Self: NASA's Unexplained Files (8 episodes 2015-2016).

Terri Thompson: in Badlands of Kain (2016), then this; as Self: Extra (1 episode 2014).

Frederick Strother (Chief of Discipline/Mr. Strother): in Blood and Circumstance (2014).

Tony Chiroldes (H.M. Hulamouse): in The Wailing (2013).

Hedda Sharapan (Mrs. Frogg): no other known acting roles; as Self in 2008.

Mike Taylor: no other known acting roles; as Composer in 1975.

Tim Scanlon (Professor Scanlon): no other known acting roles.

Sergio Pinto (Sergio): no other known acting roles.

Stephen Lee (Cousin Steve): no other known acting roles.

Bernard Jessol: no other known acting roles.

Lynda Martha: no known subsequent acting roles.

Van Cliburn: died in 2013.

Tome Cousin (Tome the Ragdoll): last known acting role in 2002, then this.

Jim Beard (Beaver O'Day): no other known acting roles.

Paul Tifford Jr. (Fortune Cookie Man): last known acting role in 2009.

John Rogers: no known subsequent acting roles.

Jan Zandhuis: no other known acting roles.

Charles Appel (Mr. Appel): no known subsequent acting roles.

Carole Clemmons (Mrs. Clemmons): no other known acting roles.

Ezra Jack Keats: no other known acting roles; as Writer in 1984.

Dorothy Pierce: no other known acting roles.

David Crippens: no other known acting roles; as Executive Producer in 1988.

Dallas Treat: no other known acting roles.

Paul Spencer Adkins (Royal Trumpeter Adkins): no other known acting roles; as Self in 1990.