Are “The Gilded Age” Characters Real People? Meet the New York Socialites Who Inspired Them

Ben Lamb as the Duke of Buckingham, may have been inspired by Charles Spencer-Churchill

Ashlie Atkinson as Mamie Fish, Donna Murphy as Caroline Schermerhorn Astor, Bobby Steggert as John Singer Sargent, Bill Camp as J.P. Morgan, Sullivan Jones as T. Thomas Fortune, Jordan Waller as Oscar Wilde, Linda Emond as Clara Barton

English actor Ben Lamb portrays the Duke of Buckingham.

Ashlie Atkinson as Mamie Fish

Ashlie Atkinson as Mamie Fish, Donna Murphy as Caroline Schermerhorn Astor, Bobby Steggert as John Singer Sargent, Bill Camp as J.P. Morgan, Sullivan Jones as T. Thomas Fortune, Jordan Waller as Oscar Wilde, Linda Emond as Clara Barton

Ashlie Atkinson brings levity as Mamie Fish, a real woman from New York history known for her "wicked wit" and outlandish dinner parties.

Donna Murphy as Caroline Schermerhorn Astor

Ashlie Atkinson as Mamie Fish, Donna Murphy as Caroline Schermerhorn Astor, Bobby Steggert as John Singer Sargent, Bill Camp as J.P. Morgan, Sullivan Jones as T. Thomas Fortune, Jordan Waller as Oscar Wilde, Linda Emond as Clara Barton

Theater icon Donna Murphy plays Caroline Schermerhorn Astor, better known as Mrs. Astor.

Bobby Steggert as John Singer Sargent

Ashlie Atkinson as Mamie Fish, Donna Murphy as Caroline Schermerhorn Astor, Bobby Steggert as John Singer Sargent, Bill Camp as J.P. Morgan, Sullivan Jones as T. Thomas Fortune, Jordan Waller as Oscar Wilde, Linda Emond as Clara Barton

Bobby Steggert portrays the popular portraitist, John Singer Sargent.

Bill Camp as J.P. Morgan

Ashlie Atkinson as Mamie Fish, Donna Murphy as Caroline Schermerhorn Astor, Bobby Steggert as John Singer Sargent, Bill Camp as J.P. Morgan, Sullivan Jones as T. Thomas Fortune, Jordan Waller as Oscar Wilde, Linda Emond as Clara Barton

Bill Camp plays J.P. Morgan, the famous investment banker and U.S. railroad financier.

Sullivan Jones as T. Thomas Fortune

Ashlie Atkinson as Mamie Fish, Donna Murphy as Caroline Schermerhorn Astor, Bobby Steggert as John Singer Sargent, Bill Camp as J.P. Morgan, Sullivan Jones as T. Thomas Fortune, Jordan Waller as Oscar Wilde, Linda Emond as Clara Barton

Sullivan Jones portrays T. Thomas Fortune, Peggy Scott's editor.

Jordan Waller as Oscar Wilde

Ashlie Atkinson as Mamie Fish, Donna Murphy as Caroline Schermerhorn Astor, Bobby Steggert as John Singer Sargent, Bill Camp as J.P. Morgan, Sullivan Jones as T. Thomas Fortune, Jordan Waller as Oscar Wilde, Linda Emond as Clara Barton

Jordan Waller appeared as witty writer Oscar Wilde in season 2.

Linda Emond as Clara Barton

Ashlie Atkinson as Mamie Fish, Donna Murphy as Caroline Schermerhorn Astor, Bobby Steggert as John Singer Sargent, Bill Camp as J.P. Morgan, Sullivan Jones as T. Thomas Fortune, Jordan Waller as Oscar Wilde, Linda Emond as Clara Barton

Linda Emond starred as Clara Barton, the founder of the American Red Cross.