Louise Banks

Ian Donnelly

Colonel Weber

Agent Halpern

Captain Marks

General Shang

8-Year-Old Hannah

12-Year-Old Hannah

6-Year-Old Hannah

Dr. Kettler

Private Lasky

Private Combs

CNAC Anchor

Environmental Tech

Environmental Tech

Dr. J. Bydwell

Richard Riley

Press Secretary

Australian Scientist

British Scientist

CIA Officer Dan Ryder

Preacher

Chinese Scientist

Chinese Scientist

Russian Officer

Swedish Scientist

Sudan Representative

African Representative

Sierra Leone Representative

Japanese Minister

Venezuelan Representative

Chinese Man

Student with Smartphone

Cryptographer

Cryptographer

Cryptographer

Science Team Member

Science Team Member

Communications Operator

Communications Operator

Communications Operator

Communications Operator

Nurse

Nurse

Lieutenant

Soldier

TV Anchor

TV Anchor

TV Anchor

TV Anchor

TV Anchor

TV Anchor

TV Anchor

TV Anchor

TV Anchor

TV Anchor

TV Anchor

TV Anchor

Motion Capture Heptapod

Motion Capture Heptapod

Motion Capture Heptapod

4-Year-Old Hannah (uncredited)

Master Sergeant Douglas (uncredited)

Foreign Correspondent (uncredited)

Halpern's Deputy Director (uncredited)

US Army Major (uncredited)

Gala Guest (uncredited)

Middle Aged Woman (uncredited)

Soldier (uncredited)

Venezuelan Military (uncredited)

Pakistani Scientist (uncredited)

Soldier (uncredited)