Chris Pine as Jack Ryan

Keira Knightley as Cathy Muller

Kevin Costner as William Harper

Kenneth Branagh as Viktor Cherevin

Lenn Kudrjawizki as Constantin

Colm Feore as Rob Behringer

Gemma Chan as Amy Chan

Alec Utgoff as Aleksandr Borovsky

Peter Andersson as Dimitri Lemkov

Nonso Anozie as Embee

Aleksandar Aleksiev as Cherevin's Bodyguard

Deborah Rosan as Customer

Price Lindsey as Waiter

Celine Jedidi as Restaurant Diner

Ricky Rajpal as VIP Business Man

Karen David as FBI Lead Agent

David Paymer as Dixon Lewis

David Hayman as Sergey Dostal

Amy J. Kim as UN Announcer

Bogdan Kominowski as Mr. Borovsky

Maggie Daniels as Mrs. Borovsky

Annika Pergament as Mary

Seth Ayott as Teddy Hefferman

Andrew Byron as Cherevin's Bodyguard

Derek Lea as Cherevin's Bodyguard

Andy Butcher as Cherevin's Guest Driver

Pat Kiernan as Anchor

Ian Bonar as Student

Elena Velikanova as Катя

Lloyd Bass as Harper's Driver / Exfil Operator

Santino Fontana as Running Banker

Mikhail Baryshnikov as Minister Sorokin (Uncredited)

Matt Rippy as FBI Lead Agent Simmons - Dearborn

Kieron Jecchinis as Walter Reed Doctor

William Meredith as Auto Plant Guard

Leonard Redlich as Cherevin's Doctor

Angus Wright as Tall Man

Emmanuel Imani as Omar (uncredited)

Alexander Terentyev as Waiter

Mike Siegel as New York DWP Worker

Donald E G Bentley as Marine (uncredited)

Isobel Pravda as Moscow Hotel Receptionist

Paul Blackwell as New York Banker