| PERFORMER | CHARACTER | DATES |
| David Andriole | Officer Spencer | 1997-present |
| Dominique Jennings | Virginia Harrison | 1997--March 1999 |
| Jeffery Wood | Jimmy Harrison | Dec. 1997--March 1999 |
| David Mattheissen | Leo Deschanel | July 1998--March 1999 |
| Christopher Halsted | Gerard, resort manager | Jan. and Feb. 1999 |
| Mel Johnson | Dr. Manning, did Trey's paternity test | Jan. 1999 |
| Nancy O'Dell | herself (Access Hollywood) | Jan. 1999 |
| Mark Davis | Russell Meek, lab technician | Jan. 1999 |
| Judge Wapner | himself | Feb. 12, 1999 |
| Scott Lawrence | Taylor, the fire chief | Feb. 1999 |
| Jean Carol | Florence Kennedy, Dr. Brock's nurse | Jan. 1999 |
| Mariann Aalda | Lena Hart | 1997-98 |
| Mark Ritter | Bernie Nielsen | Sep.-Oct. '98 |
| Cris Borgnine | helicopter pilot who flew Ben & Meg to find Sara & Casey | Aug. 1998 |
| John Bilello | priest who married Gregory and Annie | July 1998 |
| Andrew Marks | Dr. Merk |
| Joyce Guy | Mrs. Moreau |
| Chas Smith | young Ben/Derek |
| Brian Patrick Clarke | Congressman Blythe | Sept. 1998 |
| Bonnie Hellman | Stacey Jayne Krakowski, Tyus' office nurse | on and off |
| Michael Sabatino | Philip Vargas | July-Aug. '98 |
| Bernie Kopell | James Nelson, Neptune captain | Aug. 1998 |
| Matt Westmore | Curt, Philip's henchman | July-Aug. '98 |
| Teresa Velarde | Lourdes, Richards' maid who died in SHOCKWAVE |
| Katherine D'Armond | Nurse Helen, first SHOCKWAVE victim |
| Jessica Tuck | Diane Wood, nut case who held Ben prisoner |
| Elizabeth Alley | Melinda Fall |
| E.E. Bell | morgue attendant when Derek "killed" Ben |
| Vanessa Dorman | Caitlin Richards Deschanel #1 | Jan. '97-June '98 |
| Peter Barton | Eddie Connors | Jan. '97-May '98 |
| Nick Stabile | Mark Wolper | Jan. '97-Jan. '98 |
| Leigh Taylor-Young | Elaine Stevens | Jan.-Dec. '97 |
| Laura Harring | Paula Stevens | Jan.-Dec. '97 |
| V.P. Oliver | the first Jimmy Harrison |
| Leeza Gibbons | as herself |
| Margaret Scarborough | Tess Montgomery |
| Lillian Lehman | Lena Hart, Vanessa's mother | 1997 |
| Barbara Mandrell | Alexandra Mitchum, Casey's mother |
| Julien Cesario | Officer Lopez |
| Gerard Christopher DiNome | Dr. Carl Brock,who helped Annie steal Olivia's baby | through Jan. '99 |
| Jodie Mann | Trudy, the nurse |
| Joanna Last | JoBeth, foreman's daughter at Cole's construction job |
| Aaron Spears | Officer Washington |
| Monica Allison | LaShawnda, Vanessa's contact for a news story |
| Ashley Monique Clark | Jaleen, LaShawnda's daughter |
| Don Amendolia | "Big" Al Kennedy, Bette's ex-husband who died in the hot tub |
| Fran Bennett | Police Chief Harris |
| Marissa Buell | Molly, lost girl at the police station |
| Mark Burham | Claude |
| Kathryn Daley | Dr. Alison McRay, who hypnotized Ben after the cave-in |
| Sandra Ferguson | Jade Sheridan, Cole's former jewel-thief partner | Dec. '97-Jan. '98 |
| Michael Melvin | Grogan, the Terror Island boat captain | Dec.'97-Jan.'98 |
| Samantha Becker | Elizabeth, first Terror Island victim | Dec.'97-Jan.'98 |
| Michael Moss | Hal, Cole's co-worker at the construction company |
| Aaron Spelling | Vincent Duke, Bette's third ex-husband | Jan. '98 |
| Kelly McCarty | Alma, a Maria lookalike |
| Lucinda Lewis | Ally, Ricardo's ex-girlfriend |
| Denise Alexander | Sister Beatrice, nun who helped Caitlin following her car accident |
| Steve Sax | Vincent, mute man who helped Caitlin after car accident |
| Giselle Fernandez | herself, TV reporter during Cole's car chase & SHOCKWAVE |
| James Sweeney | Judge Silver, from Ricardo and Gabi's rape trial |
| Scott Layne | hit man Gregory hired to kill Cole |
| John Beradino, Jr. | police officer |
| John Reilly | Del Douglas |
| Ramsey Midwood | Ralph Meyers, pyscho who held Paula captive |
| Mushond Lee | Jo-Jo, Michael's old friend who turned out to be a villain |
| Jeremy Roberts | Clyde, who worked for Jo-Jo |
| Steven Vincent Leigh | Wei-Lee |
| Constance Towers | Julianna Deschanel, Cole's grandmother |
| George Kee Cheung | Mr. Chang |
| Irene Yah-Ling Sun | Mrs. Chang |
| Kelly Hu | Rae Chang |
| Ashley Monique Clark | Jaleen, Lashawnda's daughter |
| Keene Curtis | Quint, old ship's captain |
| David Doyle | plane passenger--sat next to Meg on her way to Sunset Beach | Jan. 1997 |
| Sandra Ferguson | Jade Sheridan |
| Lynn Hamilton | Selita Jones |
| Adrienne Frantz | Tiffany Thorne #1 |
| Jennifer Banko-Stewart | Tiffany Thorne #2 |
| Cynthia Garrett | herself, VH-1 VJ |
| Jack Wagner | Jacques/Liam, Cole's former partner | Sept. 1997 |
| Andre Khabbazi | Officer Ruiz |
| Ali Landrey | Kenzie, woman on the beach |
| Renee Graham | Connie, Meg's maid of honor at her non-wedding to Tim |
| Darla Hahn | Claudette, whom Cole fleeced in Monte Carlo | Sept. 1997 |
| Finola Hughes | Helena, Cole's former fiancee |
| Jim Storm | Charles Lakin |