The Sympathizer

Hoa Xuande

The Captain

Robert Downey Jr.

Claude / Professor Hammer / Ned Godwin / Niko Damianos / Priest

Toan Le

The General

Fred Nguyen Khan

Bon

Duy Nguyen

Man

Vy Le

Lana

Nguyễn Cao Kỳ Duyên

Madame

Phan Gia Nhật Linh

Crapulent Major

Alan Trong

Sonny

Kieu Chinh

Crapulent Major's Mother

Sandra Oh

Sofia Mori

Quinn Hoàng

Commandant

VyVy Nguyen

Crapulent Major's Wife

Kayli Tran

Communist Spy

La Thanh Thanh

Linh

Nguyen Viet Anh

Translator

Tom Dang

Skinny Timid RTO

Joseph Hieu

Grizzled Sergeant