Fringe

Olivia Dunham (98 episodes)

Alternate Olivia Dunham

William Bell

Peter Bishop (98 episodes)

Astrid Farnsworth (97 episodes)

Alternate Astrid Farnsworth

Esther Figglesworth

Dr. Walter Bishop (97 episodes)

Walternate

Secretary Walter Bishop

Agent Phillip Broyles (95 episodes)

Phillip Broyles

Alternate Phillip Broyles

Alternate Philip Broyles

Nina Sharp (95 episodes)

Agent Charlie Francis (34 episodes)

Charlie Francis

The Observer (33 episodes)

September

Lincoln Lee (31 episodes)

Alternate Lincoln Lee

Brandon (19 episodes)

Alternate Brandon

Alt Brandon

Alternate Brandon Fayette

John Scott (13 episodes)

Ella (11 episodes)

Ella Blake

Rachel (10 episodes)

Rachel Dunham

Kelsey

Nina's Assistant (10 episodes)

William Bell (9 episodes)

Dr. William Bell

Captain Windmark (8 episodes)

Thomas Jerome Newton (8 episodes)

Sam Weiss (7 episodes)

David Robert Jones (7 episodes)

David Jones

Agent Tim (6 episodes)

FBI Agent Tim

FBI Agent

December (6 episodes)

Elizabeth Bishop (5 episodes)

Alternate Elizabeth Bishop

Mitchell Loeb (5 episodes)

Mitchel Loeb

Agent #1 (5 episodes)

ND Agent

Agent #2

NID agent #2

Henrietta Bishop (4 episodes)

Anil (4 episodes)

Sanford Harris (4 episodes)

Edward Markham (4 episodes)

Ed Markham

Frank Stanton (4 episodes)

Store Owner (4 episodes)

ND Agent (4 episodes)

Special Agent Fisher

ND Agent #3

Marilyn Dunham (3 episodes)

Henry Arliss Higgins (3 episodes)

Senator Van Horn (3 episodes)

Senator Dennis Van Horn

Sen. Van Horn

Nadine Park (3 episodes)

Nadine

Walternate's Assistant (3 episodes)

Watrernate's Assistant

Diane Broyles (3 episodes)

Dianne Broyles

Agent Rodriguez (3 episodes)

Agent #2

Tucker (3 episodes)

Tech Tucker

Agent #1

ND Agent (3 episodes)

Agent #1

Smith (2 episodes)

Hybrid

Nick Lane (2 episodes)

Mystery Man (2 episodes)

Dr. Sumner (2 episodes)

Doctor Sumner

August (2 episodes)

Neil (2 episodes)

James Heath

Junior FBI Agent Amy Jessup (2 episodes)

Olivia's Father (2 episodes)

Olivia's Stepfather

Young Olivia (2 episodes)

Warden Johan Lennox (2 episodes)