The following are all the participants at Balticon as of: April 9, 2019
| A. L. Kaplan | A.D. Boorman | Ada Palmer | Alanna Whitestar |
| Alan Smale | Alex Shvartsman | Alex Wittenberg | Amanda Mulder |
| Andrew E. Love | Andrew Fox | Andy Love | Anna Kashina |
| Anthony Denota-Hoffman | Arkady Martine | August Grappin | Barbara Krasnoff |
| Batya Wittenberg | Beth Morris Tanner | Betsy Marks Delaney | Bibiana Bielekova |
| Bill Lawhorn | Bill Mayhew | Billy Flynn | Bjorn Hasseler |
| Bob Blaskiewicz | Bob Esty | Bob Oliver | Brenda Clough |
| Brian Groover | Brick Barrientos | Bud Sparhawk | Bugsy Bryant |
| C. Alex Young | C.S. Friedman | Carey Lisse | Carl Cipra |
| Carol Salemi | Cerece Rennie Murphy | Chad Dukes | Charlene D’Alessio |
| Charles Gannon | Charlie Brown | Chooch Schubert | Christiana Ellis |
| Christine Steer | D.H. Aire | D’Manda Martini | Dame Dahlia |
| Daniel Kimmel | Danielle Ackley-McPhail | Darrell Schweitzer | David Keener |
| David Walton | Day Al-Mohamed | Denise Clemons | Devin Jackson Randall |
| Dina Bower | Doc Coleman | Don Sakers | Doug Warden |
| Dr. Karen | Edward Njoku | Elektra Hammond | Elizabeth Dukes |
| Eric H. Cline | Eric Hardenbrook | Erik Delfosse | Erika Pryor |
| Erin Kazmark | Eta Hack | Eve Siebert | Fiona Galvin |
| Fishymander | Fred Yost | Gaia Eirich | Gail Z. Martin |
| Gary Ehrlich | George Hrab | Gregory Benford | Grig Larson |
| Heidi Hooper | Hildy Silverman | Holli Mintzer | hymie! |
| Ian Randal Strock | Ines Johnson | Inge Heyer | Ira P. May |
| Irette Patterson | J.D. Mack | J.P. Beaubien | Jack Ballard |
| Jack Campbell | Jack Clemons | Jamaila Brinkley | James Hoffman |
| James Mendez Hodes | James Thorne | James Timmons | James West |
| Janet Stephens | Jay Smith | Jazmine Cosplays | Jean Cooper |
| JeanMarie Ward | Jen Logsdon | Jennifer Grier | Jennifer R. Povey |
| Jennifer Weller | Jenny Faries | Jim Stratton | Jim Beall |
| Jim Freund | JL Gribble | Jo Miles | John Appel |
| John Ashmead | John Edward Lawson | John L. French | John Robison |
| John Skylar | John Tilden | John Walker | Joshua Bilmes |
| Joshua Kronengold | Julayne Hughes | Hanne Madeleine Gates Paine | K. Ceres Wright |
| K.M. Szpara | Kagan MacTane | Karen Miden | Karen Purcell |
| Karen Osborne | Keith Hughes | Keith R.A. DeCandido | Kelly Dwyer |
| Ken Altabef | Ken Schrader | Kenny Biddle | Kermit Woodall |
| Kim Headlee | Kim the ComicBookGoddess | Lady Ozma | Larry Hodges |
| Larry Reclusado | Lauren Harris | Leah Cypess | Leona Thompson |
| Leslie Johnston | L.H. Moore | Lisa Ashton | Lisa Hawkridge |
| Lisa Padol | Lisa Wood | Liz Bosarge | Lonnie Ingram |
| Lord Kron | Marilyn “Mattie” Brahen | Mark L. Van Name | Mark Redfield |
| Marlen D. Eve | Marnen Laibow-Koser | Martin Berman-Gorvine | Matt Eggert |
| Meg Eden | Meg Swaney | Melissa Hayden | Melissa Scott |
| Merrily Wolf | Michael A. Ventrella | Michael Dobson | Michael M. Jones |
| Michael R. Underwood | Michael Winslow | Michelle Hymowitz | Michelle Siebert Appel |
| Michelle Sonnier | Mike Luoma | Mike McPhail | Mildred Cady |
| Ming Diaz | Misha Bushyager | Movie Mike | Neil Inglis |
| Nicki Lynch | Nicky Drayden | Noam Izenberg | Nobilis Reed |
| Pallas A. Bane | Pam Osborne | Patches | Patrick Thomas |
| Paul E. Cooley | Paul Ellis | Pavlina Gardner | Perrianne Lurie |
| Peter Bryant | Philippa Ballentine | Pyris | Rachel Niedermayer |
| Ray Ridenour | Rebecca Davis | Richard Lynch | Robert “Bob” Chase |
| Robert E. Waters | Robert Hazen | Roberta Rogow | Robyn Wyrick |
| Ron Robinson | Ronald Taylor | Rosemary Claire Smith | Ruthanna Emrys |
| Ryan Blodgett | Ryan Haupt | Sabrina Vourvoulias | Sam Scheiner |
| Sara Testarossa | Sarah Avery | Sarah Pinsker | Scott Andrews |
| Scott Edelman | Scott Pond | Scott Roche | Sean Gallagher |
| Selena Moon Goddess | Shelby Morgen | Sherri Cook Woosley | Sonya Bleakley |
| Stafford Battle | Starla Huchton | Stephanie “Flash” Burke | Stephy Alphee |
| Steve Davidson | Steve Lubs | Steve Stiles | Steven Howell Wilson |
| Sue Baiman | Susan Cohen | Suzanne Buck | Sydney Emerson |
| T. Eric Bakutis | Tabitha Grace Challis | Ted Weber | Tee Morris |
| Terri Flynnstress | Thomas Atkinson | Thomas R. Holtz, Jr. | Tim Dodge |
| Tim Miller | Tom Doyle | Tom Holtz | Tom Reichert |
| Tori Duke | Valerie J. Mikles | Veronica Giguere | Virginia DeMarce |
| Viv Schubert | Vivian Shaw | William Jones |