30 Rock

Liz Lemon (134 episodes)

Tracy Jordan (134 episodes)

Jenna Maroney (134 episodes)

Kenneth Parcell (134 episodes)

Pete Hornberger (134 episodes)

Peter Horn

Frank Rossitano (134 episodes)

Jack Donaghy (134 episodes)

Harriet Tubman

Hector Moreda

Toofer (112 episodes)

Cerie (89 episodes)

Dot Com (74 episodes)

Grizz (69 episodes)

J.D. Lutz (69 episodes)

Jonathan (59 episodes)

Josh Girard (36 episodes)

Dr. Leo Spaceman (23 episodes)

Dr. Spaceman

Sue (21 episodes)

Greta Johanssen (15 episodes)

Blue Man

Dr. Beauvoir

Martha Blanch

Greta Johansen

Vlem

Maria

Greta

Pamela Smew

Barbara Walters

Jadwiga

Elizabeth Taylor

Not Kenneth

Dennis Duffy (14 episodes)

Dennis

Angie Jordan (12 episodes)

Floyd (12 episodes)

Danny Baker (12 episodes)

Danny

Jack 'Danny' Baker

Avery Jessup (12 episodes)

Avery

Paul (11 episodes)

Tomas

Kathy Geiss (11 episodes)

Subhas (10 episodes)

Devon Banks (9 episodes)

Devin Banks

Criss (8 episodes)

Colleen Donaghy (8 episodes)

Colleen

Stage Manager (8 episodes)

Himself (8 episodes)

Hank Hooper (7 episodes)

Don Geiss (7 episodes)

Bum (7 episodes)

Hannibal

Homeless Guy

Old Janitor (7 episodes)

Hazel (6 episodes)

Dr. Drew Baird (6 episodes)

Lenny Wosniak (6 episodes)

Len

Len Wazniak

Elisa (6 episodes)

Himself (5 episodes)

Shawn (5 episodes)

Seth

Nancy Donovan (5 episodes)

Jeffrey Weinerslav (5 episodes)

Himself (5 episodes)

Astronaut Mike Dexter (5 episodes)

Paula Hornberger (5 episodes)

Alfonso (5 episodes)

Alfonso Disparioso

Carol (4 episodes)

Celeste Cunningham (4 episodes)

Himself (4 episodes)

John McEnroe

Herself (4 episodes)