Chris Hemsworth

Agent H

Tessa Thompson

Agent M

Kumail Nanjiani

Pawny (voice)

Rebecca Ferguson

Riza

Rafe Spall

Agent C

Emma Thompson

Agent O

Liam Neeson

Agent High T

Laurent Bourgeois

Alien Twin

Larry Bourgeois

Alien Twin

Kayvan Novak

Vungus / Nasr / Bassam

Spencer Wilding

Luca Brasi

Marcy Harriell

Molly's Mom

Inny Clemons

Molly's Dad

Aaron Serotsky

Man in Black #1

Mandeiya Flory

Young Molly

Matthew Bates

FBI HR Guy

Sartaj Garewal

CIA Recruiter

Stephen Wight

Guy

Brian Silliman

Cabbie

Jeff Kim

Lead MIB Agent

Michael Adams

MIB Lead Interrogator

Mike Capozzola

Veteran MIB Agent

Andrew Greenough

Freddie the Alien

Natasha Culzac

Nightclub Waitress

Paul Brennen

Alien Boss

Ania Sowinski

Alien Woman / Boss' Wife

Stefan Kalipha

Antique Shopkeeper

Daniel Scott-Smith

Nightclub Bartender

Vincent Pirillo

MIB Security Guard

Kaya Brown-Hallam

Nightclub Patron

Beau Fowler

Nightclub Patron

Lukas DiSparrow

Nightclub Patron

Andy Beckwith

Viper Room Player

Romanos Blanco

Couple at Eiffel Tower

Aistė Diržiūtė

Couple at Eiffel Tower

Anatole Taubman

French Salesman

Sorel Johnson

Nervous Forensic Tech

Paul Smith

Proprietor (Charlie)

Tim Blaney

Frank the Pug (voice)

Thom Fountain

Worm Guy #1 (voice)

Drew Massey

Worm Guy #2 (voice)

J.J. Abrams

Alien on TV Monitor (uncredited)

Elle Black

Alien Dancer (uncredited)

Donald Glover

Alien on TV Monitor (uncredited)

Ariana Grande

Alien on TV Monitor (uncredited)

Elon Musk

Alien on TV Monitor (uncredited)

Hiten Patel

Tech Geek (uncredited)

Dimitri 'Vegas' Thivaios

Undercover Alien (uncredited)

Luke Johnson

Dancer (uncredited)

Rene Costa

Human Alien (uncredited)

Tiago Martins

Clubkid (uncredited)