Mamoru Sasaki was a Japanese screenwriter for film and television. He was a frequent collaborator of Japanese New Wave directors like Nagisa Oshima and writer Masao Adach. He was also a prolific writer for Japanese tokusatsu shows with Akio Jissoji. Not to be confused with the Japanese animator with the same name.
Japan's No. 1 Traitor
(Writer)
Japanese Summer: Double Suicide
(Writer)
Techno Police 21C
(Script Supervisor)
Sing a Song of Sex
(Writer)
The Man Who Left His Will on Film
(Screenplay)
Dear Summer Sister
(Writer)
Three Resurrected Drunkards
(Writer)
Band of Ninja
(Screenplay)
Shinsengumi
(Writer)
The Ceremony
(Screenplay)
Ultra Q The Movie: Legend of the Stars
(Screenplay)
Japan's No. 1 Disconnected Man
(Writer)
Death by Hanging
(Screenplay)
It's The Drifters! All Star Attack
(Screenplay)
A.K.A. Serial Killer
(Executive Producer)
Eros Eterna
(Screenplay)
The Night of Martial Law
(Screenplay)
Huckleberry Finn
(Screenplay)
The Mountain Alps
(Screenplay)
Diary of a Shinjuku Thief
(Writer)
Kôkôsei burai hikae
(Screenplay)
Kaihei shi-gō seito
(Screenplay)
Daughter of Time
(Screenplay)
Heidi, Girl of the Alps
(Writer)
Akio Jissoji's Ultraman
(Writer)
Undersea Encounter
(Screenplay)
Heidi in the City
(Writer)
The Men Who Made Ultraman
(Writer)
Golf Before Dawn
(Writer)
They Were Eleven
(Screenplay)
I Want to Buy Kyoto
(Screenplay)
Lullaby of Death
(Screenplay)
Horror Telephone
(Screenplay)
The Man Who Wanted to Be Ultraman
(Writer)
Ultraman
(Writer)
おくさまは18歳
(Writer)
Silver Kamen
(Writer)
Akai kizuna
(Writer)
Monkey
(Writer)
Operation: Mystery
(Writer)
Kogarashi Monjiro
(Writer)
Onna Furin Kazan
(Screenplay)
Ultraseven
(Writer)
Star of the Giants
(Writer)
The Dawn of Asia
(Teleplay)
Iron King
(Creator)
Princess Comet: Kumiko Ohba
(Creator)