Natasha Romanoff / Black Widow
Scarlett Johansson
Yelena Belova
Florence Pugh
Melina Vostokoff
Rachel Weisz
Alexei Shostakov / Red Guardian
David Harbour
Antonia Dreykov
Olga Kurylenko
Young Natasha
Ever Anderson
Young Yelena
Violet McGraw
Secretary Thaddeus 'Thunderbolt' Ross
William Hurt
Young Antonia
Ryan Kiera Armstrong
Scientist Morocco 1
Lewis Young
Scientist Morocco 2
C.C. Smiff
Widow
Svetlana Constantine
Budapest Clerk
Zoltán Nagy
Mechanic's Wife
Judit Varga-Szathmary
Mechanic's Child
Noel Krisztian Kozak
Tattoo Gulag Inmate
Martin Razpopov
Ursa Major
Olivier Richters
Gulag Cookie Guard
Andrew Byron
Strudel Gulag Guard
Ed Ashe
Red Room Scientist 1
Dawid Szatarski
Red Room Scientist 2
Cali Nelle
Ross Agent
Geoffrey D. Williams
Ross Agent
Jacinte Blankenship
Ross Agent
Jose Miguel Vasquez
Young Widow
Valentina Herrera
Young Widow
Danielle Jalade
Street Kid
Sophie Colgrove
Street Kid
Caister Myung Choi
SWAT Team (uncredited)
David Turner
SWAT Team Leader (uncredited)
Edward L. Oliver
Polish Soldier (uncredited)
Rob Horrocks
Super Soldier (uncredited)
Oliver Simms
Widow (uncredited)
Yuuki Luna
Commuter (uncredited)
Kalina Vanska
Young Ingrid (uncredited)
Jordyn Curet
Neighbor (uncredited)
Chad J. Wagner
Russian Soldier (uncredited)
Joakim Skarli
Russian Spetnaz (uncredited)
Ian Wilson
Flamboyant Prisoner (uncredited)
Omar Alboukharey
Prisoner (uncredited)
Tyrone Kearns
Prisoner (uncredited)
Gavin Lee Lewis
Prisoner (uncredited)
Ahmed Bakare
Prisoner (uncredited)
Zoltan Rencsar
Russian Prisoner (uncredited)
Adam Prickett
Gulag Prisoner (uncredited)
Luigi Boccanfuso
Gulag Arm Wrestling Inmate (uncredited)
Roman Green
Gulag Inmate (uncredited)
Clem So
Gulag Inmate #4 (uncredited)
Graham Kitchen
Gulag Inmate #120 (uncredited)
Daniel Joseph Woolf
Guard (uncredited)
John Wolfe
Riot Guard (uncredited)
Paul O'Kelly
Gulag Riot Guard (uncredited)
Shane Askam
Prison Riot Guard (uncredited)
Obie Matthew
Prison Riot Guard (uncredited)
Ty Hurley
KGB (uncredited)
Stephen Samson
KGB (uncredited)
Marian Lorencik
Contessa Valentina Allegra de Fontaine (uncredited)
Julia Louis-Dreyfus
Clint Barton / Hawkeye (voice) (uncredited)
Jeremy Renner
SWAT Team Leader (uncredited)
Dale Liner