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 Young 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)