Margot Robbie
as Tonya

Sebastian Stan
as Jeff

Allison Janney
as LaVona

Julianne Nicholson
as Diane Rawlinson

Paul Walter Hauser
as Shawn

Bobby Cannavale
as Martin Maddox

Bojana Novaković
as Dody Teachman

Caitlin Carver
as Nancy Kerrigan

Maizie Smith
as Tonya (3 ½ Yrs)

Mckenna Grace
as Tonya (8-12 Yrs)

Suehyla El-Attar
as Skater Mom

Jason Davis
as Al

Mea Allen
as Snooty Girl

Cory Chapman
as Chris

Amy Fox
as Skating Judge

Cara Mantella
as Choreographer

Joshua Mikel
as Heckling Spectator

Lynne Ashe
as Shawn's Mother

Steve Wedan
as Shawn's Father

Brandon O'Dell
as Policeman #1

Davin Allen Grindstaff
as USFS Judge

Daniel Thomas May
as Sheriff

Anthony Reynolds
as Derrick Smith

Ricky Russert
as Shane Stant

Al Bianchi
as Sports Bar Manager

Miles Mussenden
as Policeman #2

Annie Livingston
as 6 Year Old Girl

Jan Harrelson
as FBI Agent #1

Luray Cooper
as FBI Agent #2

Dan Triandiflou
as Bob Rawlinson

Kelly O'Neal
as Interviewer

Lisa Kaye Kinsler
as Lillehammer Skating Judge

Cecil Love
as Bailiff

Alphie Hyorth
as Judge Londer

Sean Goulding
as Restaurant Employee

Bobby Browning
as Joe

Little Man
as LaVona's Sixth Husband

Heather Jocelyn Blair
as Bathroom Witness (uncredited)

Raven Wynn
as Chinese Waitress (uncredited)

Evan George Vourazeris
as Diner Patron (uncredited)

Joe Heath
as Spectator (uncredited)