Alan Ladd as Jay Gatsby

Betty Field as Daisy Buchanan

Macdonald Carey as Nicholas 'Nick' Carraway

Ruth Hussey as Jordan Baker

Barry Sullivan as Tom Buchanaan

Howard Da Silva as Wilson

Shelley Winters as Myrtle Wilson

Henry Hull as Dan Cody

Ed Begley as Myron Lupus

Elisha Cook Jr. as Klipspringer

Nicholas Joy as Drunken Guest at Party

Walter Greaza as Kinsella

Tito Vuolo as Mavromichaelis

Ray Walker as Real Estate Man

Diane Nance as Pamela

Jack Lambert as Reba

Jack Gargan as Gold Pro

Laura Mason as Twin

Jean Romer as Twin

Ed Agresti as Party Guest (uncredited)

John Alban as Patent Medicine King (uncredited)

Sam Ash as Waiter (uncredited)

Edward Biby as Businessman at Accident (uncredited)

James Carlisle as Party Guest (uncredited)

Bruce Carruthers as One of Gatsby's Servants (uncredited)

Edward Clark as One of Gatsby's Servants (uncredited)

Oliver Cross as Party Guest (uncredited)

Robert Cunningham as Cop (uncredited)