Scene stealers.

Bob Odenkirk as Saul Goodman

Recurring guest turned spinoff lead.

Jonathan Banks as Mike Ehrmantraut

Introduced in season 2.

Diane Keaton as Kay Adams

Breakout supporting performance.

Abe Vigoda as Sal Tessio

Iconic 'Tell Mike it was only business' moment.

Sean Astin as Bob Newby

Joyce's sweet, doomed boyfriend in season 2.

Paul Reiser as Dr. Sam Owens

Reformed Hawkins Lab director.

Christopher Walken as Captain Koons

The legendary watch monologue.

Harvey Keitel as Winston 'The Wolf' Wolfe

Cleans up the Marvin situation.

Brad Pitt as Will Colbert

'I Hate Rachel Green Club' — Thanksgiving 2001.

Julia Roberts as Susie Moss

Revenge in a Manhattan restaurant bathroom.

Bruce Willis as Paul Stevens

Won an Emmy for the guest spot.

Coby Bell as Jesse Porter

Joined in season 4 as Michael's new teammate.

Tricia Helfer as Carla

Memorable season 4 antagonist.