Grey's Anatomy — Season 4 cast

24 credited this season, ordered by appearances. Full series cast

Ellen Pompeo17 eps
Ellen Pompeoas Meredith Grey
Chandra Wilson17 eps
Chandra Wilsonas Miranda Bailey
Sandra Oh17 eps
Sandra Ohas Cristina Yang
Justin Chambers17 eps
Justin Chambersas Alex Karev
James Pickens Jr.17 eps
James Pickens Jr.as Richard Webber
Patrick Dempsey17 eps
Patrick Dempseyas Derek Shepherd
Katherine Heigl17 eps
Katherine Heiglas Izzie Stevens
Sara Ramirez17 eps
Sara Ramirezas Callie Torres
Eric Dane17 eps
Eric Daneas Mark Sloan
Chyler Leigh17 eps
Chyler Leighas Lexie Grey
T. R. Knight17 eps
T. R. Knightas George O'Malley
Brooke Smith13 eps
Brooke Smithas Erica Hahn
Lauren Stamile10 eps
Lauren Stamileas Nurse Rose
Mark Saul7 eps
Mark Saulas Steve
Elizabeth Reaser7 eps
Elizabeth Reaseras Rebecca Pope
Ray Ford6 eps
Ray Fordas Paramedic Ray
Amy Madigan6 eps
Amy Madiganas Katharine Wyatt
Molly Kidder6 eps
Molly Kidderas Intern Megan
Joe Williamson6 eps
Joe Williamsonas Intern Pierce
Joy Osmanski6 eps
Joy Osmanskias Intern Lucy
Candice Afia5 eps
Candice Afiaas Intern Laura
Amrapali Ambegaokar5 eps
Amrapali Ambegaokaras Intern Dani
Cress Williams4 eps
Cress Williamsas Tucker Jones
Gloria Garayua4 eps
Gloria Garayuaas Intern Graciella

Crew

Mark WildingExecutive Producer17 epsKrista VernoffExecutive Producer17 epsRob CornExecutive Producer17 epsBetsy BeersBetsy BeersExecutive Producer17 epsMark GordonMark GordonExecutive Producer17 epsShonda RhimesShonda RhimesExecutive Producer17 epsRob CornDirector5 epsShonda RhimesShonda RhimesWriter5 epsKrista VernoffWriter3 epsTom VericaTom VericaDirector2 epsMichael GrossmanMichael GrossmanDirector2 epsJames FrawleyJames FrawleyDirector2 eps