According to IMDB:

Si wang ta (1981) .... Billy Lo / Lee Chen-Chiang
... aka Game of Death 2 (Australia)
... aka Game of Death II (USA)
... aka Sei miu taap (Hong Kong: Cantonese title)
... aka The New Game of Death (USA)
... aka Tower of Death

Game of Death (1978) .... Billy Lo
... aka Bruce Lee's Game of Death
... aka Si wang you ju

Enter the Dragon (1973) .... Lee
... aka Long zheng hu dou (Hong Kong: Mandarin title)
... aka Operation Dragon (Europe: English title)

Qi lin zhang (1973) (uncredited)
... aka Bruce Lee and I (USA)
... aka Bruce and I
... aka Fist of Unicorn (International: English title)
... aka Force of Bruce Lee's Fist
... aka Kei lun cheung (Hong Kong: Cantonese title)
... aka The Unicorn Palm (Hong Kong: English title: video title)

Meng long guo jiang (1972) .... Tang Lung (a.k.a. Dragon)
... aka Fury of the Dragon (Europe: English title)
... aka Mang lung goh kong (Hong Kong: Cantonese title)
... aka Return of the Dragon (USA)
... aka Revenge of the Dragon (USA: cable TV title)
... aka The Way of the Dragon (Hong Kong: English title)

Jing wu men (1972) .... Chen Zhen
... aka Fist of Fury (Hong Kong: English title) (UK)
... aka Jing mo mun (Hong Kong: Cantonese title)
... aka Laugh Track: Chinese Connection (USA: video title (redubbed comic version))
... aka School for Chivalry (Hong Kong: Mandarin title: literal English title)
... aka The Chinese Connection (USA)

"Longstreet" .... Li Tsung (4 episodes, 1971)
- I See, Said the Blind Man (1971) TV episode .... Li Tsung
- Wednesday's Child (1971) TV episode .... Li Tsung
- Spell Legacy Like Death (1971) TV episode .... Li Tsung
- The Way of the Intercepting Fist (1971) TV episode .... Li Tsung

Tang shan da xiong (1971) .... Cheng Chao-an
... aka Big Brother of Tongshan (Hong Kong: English title: literal title)
... aka Fists of Fury (USA)
... aka Fists of Glory (Europe: English title)
... aka The Big Boss (Hong Kong: English title)
... aka Tong san dai hing (Hong Kong: Cantonese title)

Longstreet (1971) (TV) .... Tsung, Li

Marlowe (1969) .... Winslow Wong

"Here Come the Brides" .... Lin (1 episode, 1969)
- Marriage, Chinese Style (1969) TV episode .... Lin

"Blondie" .... Karate Instructor (1 episode, 1969)
- Pick on Someone Your Own Size (1969) TV episode .... Karate Instructor

"Ironside" .... Leon Soo (1 episode, 1967)
... aka "The Raymond Burr Show" (USA: syndication title)
- Tagged for Murder (1967) TV episode .... Leon Soo

"The Green Hornet" .... Kato (26 episodes, 1966-1967)
... aka "The Kato Show" (Hong Kong: English title: informal title)
- The Hornet and the Firefly (1967) TV episode .... Kato
- Invasion from Outer Space: Part 2 (1967) TV episode .... Kato
- Invasion from Outer Space: Part 1 (1967) TV episode .... Kato
- Hornet, Save Thyself (1967) TV episode .... Kato
- Alias 'The Scarf' (1967) TV episode .... Kato
(21 more)

"Batman" .... Kato (3 episodes, 1966-1967)
- Batman's Satisfaction (1967) TV episode .... Kato
- A Piece of the Action (1967) TV episode .... Kato
- The Spell of Tut (1966) TV episode (uncredited) .... Kato

Ren hai gu hong (1960) .... Ah San
... aka The Orphan (Hong Kong: English title)

Lei yu (1957)
... aka The Thunderstorm (Hong Kong: English title)

Zha dian na fu (1956) (as Lee Siu Lung) .... Yeung Siu-lung
... aka Sweet Time Together (Hong Kong: English title)

Zao zhi dang cu wo bu jia (1956)

Er nu zhai (1955)
... aka We Owe It to Our Children (Hong Kong: English title)

Ai xia ji (1955)
... aka Love Part 2 (Hong Kong: English title)

Gu xing xue lei (1955)
... aka An Orphan's Tragedy (USA: DVD title)

Gu er xing (1955)

Ai (1955)
... aka Love (Hong Kong: English title)

Wei lou chun xiao (1953)
... aka In the Face of Demolition (Hong Kong: English title)

Ci mu lei (1953)
... aka A Mother's Tears (Hong Kong: English title)

Ku hai ming deng (1953)
... aka The Guiding Light (Hong Kong: English title)

Qian wan ren jia (1953)

Fu zhi guo (1953)
... aka Blame it on Father (Hong Kong: English title)
... aka It's Father's Fault (USA)

Ren zhi Chu (1951) .... Ngau Tsai
... aka Infancy (Hong Kong: English title)
... aka The Birth of Mankind (literal English title)

Xi lu xiang (1950) (as Lee Siu Lung) .... Cheung
... aka My Son, Ah Chung (USA)
... aka The Kid (Hong Kong: English title)

Meng li xi shi (1949) (as Yam Lee)
... aka Sai See in the Dream (Hong Kong: English title)

Fu gui fu yun (1948)
... aka Wealth Is Like a Dream (Hong Kong: English title)

The Birth of Mankind (1946)

Golden Gate Girl (1941) (uncredited) .... Infant