Mako was born in Kobe, Japan, the son of noted children's book author and illustrator Taro Yashima. His parents moved to the United States when he was a small child. He joined them there after World War II, in 1949, joining the military in the 1950s. He became a naturalized American citizen in 1956. When Mako first joined his parents in the USA, he studied architecture. During his military service, he discovered his theatrical talent, and trained at the Pasadena Community Playhouse. Mako was married to actress Shizuko Hoshi with whom he had two daughters (both are actresses) and three grandchildren.
2017Samurai Jack: The Premiere Movie as Aku (voice)
2007Rise: Blood Hunter as Poe
2007TMNT as Splinter (voice)
2006The Slanted Screen as Himself
2005Memoirs of a Geisha as Sakamoto
2005Maid in Akihabara (6 Episodes) as Unknown
2005Cages as Tan
2005Avatar: The Last Airbender (40 Episodes) as Iroh (voice)
2004Super Robot Monkey Team Hyperforce Go! (1 Episode) as Unknown
2003Duck Dodgers (2, 1 Episode) as Happy Cat (voice), Happy Cat / Ah-Choo (voice)
2003Lost at Home (1 Episode) as Unknown
2003Black Sash (5 Episodes) as Unknown
2003Bulletproof Monk as Mr. Kojima
2002Cruel Game as Straw Hat
2002What's New, Scooby-Doo? (1 Episode) as The Ancient One (voice)
2002Monk (1 Episode) as Master Zi
2001Samurai Jack (50 Episodes) as Aku (voice)
2001Pearl Harbor as Adm. Isoroku Yamamoto
2000Rugrats in Paris: The Movie as Mr. Yamaguchi (voice)
2000The Secret Adventures of Jules Verne (1 Episode) as Unknown
2000Conan Unchained: The Making of 'Conan' as The Wizard (archive footage)
1999The West Wing (1 Episode) as Dr. Yosh Takahashi
1999The Accomplice as Unknown
1999Alegría: An Enchanting Fable as Old Momo
1998Martial Law (2 Episodes) as Unknown
1998The Bird People in China as Shen
1997Seven Years in Tibet as Kungo Tsarong
1997Riot as Mr. Lee
1997The Sea Wolf as Unknown
1996Sworn to Justice as Mr. Young
19967th Heaven (1 Episode) as Henry Muranaka
1996Balance of Power as Todo Matsumoto
1995JAG (1 Episode) as Ichiro Higashimori
1995Midnight Man as Buun Som
1995Crying Freeman as Shudo Shimazaki
1995Platypus Man (1 Episode) as Mr. Loo
1994Highlander III: The Sorcerer as Nakano
1994A Dangerous Place as Sensei
1994Red Sun Rising as Buntoro Iga
1993Diagnosis: Murder (1 Episode) as Lee Moy
1993Frasier (1 Episode) as Sam Tanaka
1993Rising Sun as Yoshida-san
1993Walker, Texas Ranger (1, 1 Episode) as Dr. Henry Lee, Edward Song
1993Kung Fu: The Legend Continues (2 Episodes) as Li Sung
1993RoboCop 3 as Kanemitsu
1992Sidekicks as Mr. Lee
1992Nightingale as Narrator (voice)
1992My Samurai as Unknown
1991Strawberry Road as Frank Machida
1991The Perfect Weapon as Kim
1990Pacific Heights as Toshio Watanabe
1990Taking Care of Business as Mr. Sakamoto
1990Hiroshima: Out of the Ashes as Sgt. Moritaki
1990Fatal Mission as Trang
1990Murder in Paradise as Capt. Kilalo
1989An Unremarkable Life as Max Chin
1989The Paradise Club (1 Episode) as Mr. Yamamoto
1988Paradise (1 Episode) as Kao
1988The Wash as Nobu Matsumoto
1988Tucker: The Man and His Dream as Jimmy
1988Silent Assassins as Oyama
1988Supercarrier (1 Episode) as Unknown
1987Tour of Duty (1 Episode) as Tran
1986Armed Response as Akira Tanaka
1986P.O.W. The Escape as Capt. Vinh
1986Kung Fu: The Movie as The Manchu
1986Lovejoy (2 Episodes) as Toshiro Tanaka
1985Spenser: For Hire (1 Episode) as Unknown
1985The Equalizer (1 Episode) as Jimmy Thanarat
1984Hawaiian Heat as Maj. Taro Oshira
1984Hawaiian Heat (11 Episodes) as Maj. Taro Oshira
1984Conan the Destroyer as Akiro 'The Wizard'
1983Girls of the White Orchid as Mori
1983Testament as Mike
1983The Last Ninja as Aitaro Sakura
1983The Nightingale as Gardener / Minister
1983The A-Team (1 Episode) as Pastry Chef
1982Voyagers! (1 Episode) as Unknown
1982Bring 'Em Back Alive (1 Episode) as Unknown
1982Faerie Tale Theatre (1 Episode) as Gardener / Minister
1982Conan the Barbarian as The Wizard / Narrator
1981An Eye for an Eye as James Chan
1981Under the Rainbow as Nakomuri
1981The Bushido Blade as Enjiro
1981The Greatest American Hero (1 Episode) as Master of Flowers
1981Flamingo Road (1 Episode) as Unknown
1980Magnum, P.I. (1 Episode) as Tozan
1980Hito Hata: Raise the Banner as Oda
1980The Big Brawl as Herbert
1979When Hell Was in Session as Maj. Bai
1979A Man Called Sloane (1 Episode) as Tanaka
1979The Facts of Life (1 Episode) as Unknown
1979Supertrain (1 Episode) as Unknown
1977The Incredible Hulk (2 Episodes) as Li Sung
1976Visions (1 Episode) as Unknown
1976Quincy, M.E. (1, 1 Episode) as John Moroshima, Mr. Yamaguchi
1976Mr. T and Tina (1 Episode) as Unknown
1976Pacific Overtures as Reciter/Shogun/Jonathan Goble
1976Farewell to Manzanar as Fukimoto
1976Wataridori: Birds of Passage as narrator
1975The Killer Elite as Yuen Chung
1975Wonder Woman (1 Episode) as Mr. Brown
1975Prisoners as Sgt. Nguyen
1975Khan! (1 Episode) as Unknown
1974Judge Dee and the Monastery Murders as Tao Gan
1974The Island at the Top of the World as Oomiak
1974The Green Hornet as Low Sing
1972Yokahama Mama as Rooster (voice)
1972Kung Fu (1 Episode) as Wong Ti Lu
1972M*A*S*H (4 Episodes) as Major Choi
1972Anna and the King (1 Episode) as Unknown
1971If Tomorrow Comes as Tadashi
1971Silence as Kichijiro
1971Columbo (1 Episode) as Kanji Ousu
1970Fools as Psychiatrist
1970The Hawaiians as Mun Ki
1970The Challenge as Yuro
1969Love, American Style (1 Episode) as Jack
1969Room 222 (1 Episode) as Unknown
1969The Great Bank Robbery as Secret Agent Fong
1968Hawaii Five-O (1 Episode) as Kazuo Tahashi
1968The Private Navy of Sgt. O'Farrell as Calvin Coolidge Ishimura
1967Mannix (1 Episode) as Tami Okada
1967Ironside (1 Episode) as Phil Tsang
1966The Sand Pebbles as Po-han
1966The Time Tunnel (1 Episode) as Lt. Nakamura
1966The Green Hornet (1 Episode) as Low Sing
1966The Ugly Dachshund as Kenji
1965The F.B.I. (1, 1 Episode) as Yoshimura, Angry Youth (uncredited)
1965I Dream of Jeannie (1 Episode) as Kato
1965Gidget (1 Episode) as Unknown
1965The Big Valley (1 Episode) as Wong Lo
1965F Troop (1 Episode) as Samurai Warrior
1965McHale's Navy Joins the Air Force as Japanese Submarine Captain (uncredited)
1964Broadside (1, 1 Episode) as Captain Osato, The Japanese Commander
1963Burke's Law (1, 1 Episode) as Happy Tuava, Pete
1963Arrest and Trial (1 Episode) as Kyoto
1962McHale's Navy (7, 1 Episode) as Unknown, Lt. Sakawa
1962The Gallant Men (1 Episode) as Unknown
1962Ensign O'Toole (1 Episode) as Yamada, Jr.
1962The Lloyd Bridges Show (1 Episode) as Akai Takahashi
1959Never So Few as Soldier in Hospital
195877 Sunset Strip (1 Episode) as Ito Nakayama
1956Tony Awards (1 Episode) as Self - Nominee/Performer
2007TMNT ... In Memory Of
1971Silence ... Production Design