Kevin Spacey 
 as Lester Burnham

Annette Bening 
 as Carolyn Burnham

Thora Birch 
 as Jane Burnham

Wes Bentley 
 as Ricky Fitts

Mena Suvari 
 as Angela Hayes

Peter Gallagher 
 as Buddy Kane

Allison Janney 
 as Barbara Fitts

Chris Cooper 
 as Colonel Fitts

Scott Bakula 
 as Jim Olmeyer

Sam Robards 
 as Jim Berkley

Barry Del Sherman 
 as Brad

Ara Celi 
 as Sale House Woman #1

John Cho 
 as Sale House Man #1

Fort Atkinson 
 as Sale House Man #2

Sue Casey 
 as Sale House Woman #2

Kent Faulcon 
 as Sale House Man #3

Brenda Wehle 
 as Sale House Woman #4

Lisa Cloud 
 as Sale House Woman #4

Alison Faulk 
 as Spartanette #1

Krista Goodsitt 
 as Spartanette #2

Lily Houtkin 
 as Spartanette #3

Carolina Lancaster 
 as Spartanette #4

Mona Leah 
 as Spartanette #5

Chekesha Van Putten 
 as Spartanette #6

Emily Zachary 
 as Spartanette #7

Nancy Anderson 
 as Spartanette #8

Reshma Gajjar 
 as Spartanette #9

Stephanie Rizzo 
 as Spartanette #10

Heather Joy Sher 
 as Playground Girl #1

Chelsea Hertford 
 as Playground Girl #2

Amber Smith 
 as Christy Kane

Joel McCrary 
 as Catering Boss

Marissa Jaret Winokur 
 as Mr. Smiley's Counter Girl (Janine)

Dennis Anderson 
 as Mr. Smiley's Manager

Matthew Kimbrough 
 as Firing Range Attendant

Erin Cathryn Strubbe 
 as Young Jane

Bruce Cohen 
 as Bartender (uncredited)

Elaine Corral Kendall 
 as Newscaster (uncredited)

James Hunter 
 as Student (uncredited)

Spencer Kayden 
 as Wedding Guest (uncredited)

Tom Miller 
 as Advertising Executive (uncredited)