Skip to content

Featured Popular Top Rated Upcoming Now Playing

Featured Popular Top Rated Airing Today On The Air

Action Adventure Animation Comedy Crime Documentary Drama Family Fantasy History Horror Music Mystery Romance Science Fiction TV Movie Thriller War

Search movies and TV series

Search movies and TV series

Featured Popular Top Rated Upcoming Now Playing

Featured Popular Top Rated Airing Today On The Air

Action Adventure Animation Comedy Crime Documentary Drama Family Fantasy History Horror Music Mystery Romance Science Fiction TV Movie Thriller War

Every movie and series, one place to find it.

Search movies and TV series

Loading content…

Discover where to watch movies and TV series online. Browse trending titles, streaming availability, ratings, trailers, cast and full episode guides — all in one place.

Movies

Featured
Popular
Top Rated
Upcoming
Now Playing

TV Series

Featured
Popular
Top Rated
Airing Today
On The Air

Discover

Trending
Free to Watch
Browse Genres
Search

© 2026 Watch Free Online Movies. All rights reserved.

This product uses the TMDB API but is not endorsed or certified by TMDB. Watch Free Online Movies does not host or stream any media — it links to where titles are legally available.

Loading title details…

Undercover: How to Operate Behind Enemy Lines poster

Undercover: How to Operate Behind Enemy Lines(1943)

January 1, 19431h 1m

Documentary War

60%User score 60 percent

User Score

15 votes

Overview

A training film for OSS agents who are to be dropped behind enemy lines.

Director: John Ford

Top Billed Cast

John Ford
J.P. Baldwin
Martín Garralaga
Enemy Agent Y
Cyril Ring
Enemy Agent X
Pierre Watkin
British Agent Z

More Like This

Recommendations based on this film

80%User score 80 percent

2000 Meters to Andriivka

2025 · Documentary · War

74%User score 74 percent

The Soviet Story

2008 · Documentary · War

83%User score 83 percent

For Sama

2019 · Documentary · War

65%User score 65 percent

Why We Fight: Prelude to War

1942 · Documentary · War

65%User score 65 percent

Father Soldier Son

2020 · Documentary · War

66%User score 66 percent

Korengal

2014 · Documentary · War

81%User score 81 percent

20 Days in Mariupol

2023 · Documentary · War

72%User score 72 percent

City of Ghosts

2017 · War · Documentary

61%User score 61 percent

The Battle of San Pietro

1945 · War · Documentary

78%User score 78 percent

They Shall Not Grow Old

2018 · Documentary · History

66%User score 66 percent

The Age of Stupid

2009 · War · Documentary

72%User score 72 percent

Trinity and Beyond: The Atomic Bomb Movie

1995 · Documentary · History

72%User score 72 percent

Maternal Instinct

2026 · Documentary · Crime

64%User score 64 percent

A Toxic Love Story

2026 · Documentary

72%User score 72 percent

The Bloody Hundredth

2024 · War · Documentary

62%User score 62 percent

Naqoyqatsi

2002 · Documentary

76%User score 76 percent

Bitter Lake

2015 · Documentary

78%User score 78 percent

The Godfather Family: A Look Inside

1990 · Documentary · TV Movie

72%User score 72 percent

Avatar: The Deep Dive - A Special Edition of 20/20

2022 · Documentary

61%User score 61 percent

Room 237

2012 · Documentary

Max Wagner

Rudy the Sailor

Osa Massen

Sailor's Girlfriend

Victor Varconi

Enemy Security Officer

Peter Lorre

Secret Agent

Crane Whitley

A.T. Atkinson

Eddie Foster

Fish Cutter

Tom Quinn

Train Passenger

Media

Where to Watch

No streaming options are listed for US right now. Availability changes often — check back soon.

Facts

Status: Released
Original title: Undercover: How to Operate Behind Enemy Lines
Original language: English
Production: Field Photographic Branch, Office of Strategic Services, U.S. Office of Strategic Services

Undercover: How to Operate Behind Enemy Lines (1943) | Watch Free Online Movies