21 Possible episodes:

15 Episodes:

• Carly Spencer (Laura Wright)
• Jason Morgan (Steve Burton)
• Lulu Spencer (Alexa Havins)

13 Episodes:

• Drew Cain (Cameron Mathison)
• Gio Palmieri (Giovanni Mazza)

12 Episodes:

• Anna Devane (Finola Hughes)
• Sonny Corinthos (Maurice Benard)

11 Episodes:

• Ava Jerome (Maura West)
• Brook Lynn Quartermaine (Amanda Setton)
• Dante Falconeri (Dominic Zamprogna)
• Tracy Quartermaine (Jane Elliot)

10 Episodes:

• Jack Brennan (Chris McKenna)
• Portia Robinson (Brook Kerr)

9 Episodes:

• Alexis Davis (Nancy Lee Grahn)
• Elizabeth Webber (Rebecca Herbst)
• Emma Drake (Braedyn Bruner)
• Isaiah Gannon (Sawandi Wilson)
• Kristina Corinthos-Davis (Kate Mansi)
• Ric Lansing (Rick Hearst)
• Sasha Gilmore (Sofia Mattsson)
• Lucas Jones (Van Hansis)

8 Episodes:

• Curtis Ashford (Donnell Turner)
• Laura Collins (Genie Francis)
• Lois Cerullo (Rena Sofer)
• Valentin Cassadine (James Patrick Stuart)
• Willow Tait (Katelyn MacMullen)

7 Episodes:

• Harrison Chase (Josh Swickard)
• Jordan Ashford (Tanisha Harper)

6 Episodes:

• Kai Taylor (Jens Austin Astrup)
• Lucky Spencer (Jonathan Jackson)
• Marty Grey (Michael Knight)
• Maxie Jones (Kirsten Storms)
• Nina Reeves (Cynthia Watros)
• Trina Robinson (Tabyana Ali)

5 Episodes:

• Charlotte Cassadine (Scarlett Fernandez)
• Cody Bell (Josh Kelly)

4 Episodes:

• Felicia Scorpio (Kristina Wagner)
• Josslyn Jacks (Eden McCoy)
• Jenz Sidwell (Carlo Rota)
• Stella Henry (Vernee Watson)
• Vaughn (Bryce Durfee)
• Ezra Boyle (Daniel Cosgrove)

3 Episodes:

• Brad Cooper (Parry Shen)
• Molly Lansing-Davis (Kristen Vaganos)
• Ned Quartermaine (Wally Kurth)
• Yuri (Cyrus Hobbi)

2 Episodes:

• Diane Miller (Carolyn Hennesy)
• Rocco Falconeri (Finn Carr)
• Gloria Cerulla (Ellen Travolta)
• Marco (Adrian Anchonda)

1 Episode:

• Lucy Coe (Lynn Herring)
• Mac Scorpio (John J. York)
• Natalia Ramirez (Eva LaRue)
• Selina Wu (Lydia Look)
• Damian Spinelli (Bradford Anderson)
• Aiden Webber (Colin Cassidy)
• Avery Corinthos (Grace & Ava Scarola)
• Danny Morgan (Asher Antonyzyn)
• Donna Corinthos (Scarlett Spears)
• James West (Gary James Fuller)
• Brick (Stephen A. Smith)