Margot Robbie
Tonya

Sebastian Stan
Jeff

Allison Janney
LaVona

Julianne Nicholson
Diane Rawlinson

Paul Walter Hauser
Shawn

Bobby Cannavale
Martin Maddox

Bojana Novaković
Dody Teachman

Caitlin Carver
Nancy Kerrigan

Maizie Smith
Tonya (3 ½ Yrs)

Mckenna Grace
Tonya (8-12 Yrs)

Suehyla El-Attar Young
Skater Mom

Jason Davis
Al

Mea Allen
Snooty Girl

Cory Chapman
Chris

Amy Fox
Skating Judge

Cara Mantella
Choreographer

Joshua Mikel
Heckling Spectator

Lynne Ashe
Shawn's Mother

Steve Wedan
Shawn's Father

Brandon O'Dell
Policeman #1

Davin Allen Grindstaff
USFS Judge

Daniel Thomas May
Sheriff

Anthony Reynolds
Derrick Smith

Ricky Russert
Shane Stant

Al Bianchi
Sports Bar Manager

Miles Mussenden
Policeman #2

Annie Livingston
6 Year Old Girl

Jan Harrelson
FBI Agent #1

Luray Cooper
FBI Agent #2

Dan Triandiflou
Bob Rawlinson

Kelly O'Neal
Interviewer

Cecil Love
Bailiff

Alphie Hyorth
Judge Londer

Sean Goulding
Restaurant Employee

Bobby Browning
Joe

Heather Jocelyn Blair
Bathroom Witness (uncredited)

Raven Wynn
Chinese Waitress (uncredited)

Evan George Vourazeris
Diner Patron (uncredited)

Tonya Harding
Self (archive footage)