Middle Earth #3: Characters best performance (line count)

Frodo Baggins

The Fellowship of the Ring
The Two Towers
The Return of the King
An Unexpected Journey

Bilbo Baggins

An Unexpected Journey
The Desolation of Smaug
The Fellowship of the Ring
The Return of the King

Gandolf

The Fellowship of the Ring
An Unexpected Journey
The Return of the King
The Desolation of Smaug
The Two Towers

Legolas 

The Two Towers
The Desolation of Smaug
The Fellowship of the Ring
The Return of the King

Gimli

The Two Towers
The Return of the King
The Fellowship of the Ring

Lady Gladriel

The Fellowship of the Ring
An Unexpected Journey
The Two Towers
The Return of the King

Elrond

An Unexpected Journey
The Fellowship of the Ring
The Return of the King
The Two Towers

Arwen

The Fellowship of the Ring
The Return of the King
The Two Doctors

Aragon

The Two Towers
The Fellowship of the Ring
The Return of the Ring

Gollum

The Two Towers
An Unexpected Journey
The Return of the King
The Fellowship of the Ring

Thorin Oakenshield

The Desolation of Smaug
An Unexpected Journey

Saruman

The Fellowship of the Ring
The Two Towers
An Expected Journey

Sauron

The Return of the King
The Desolation of Smaug
The Fellowship of the Ring
The Two Towers

The Witch King

The Return of the King
The Two Towers
The Fellowship of the Ring