Saachiko is known for Beverly Hills Ninja (1997), Gremlins 2: The New Batch (1990) and House (2004).
| Year | Title | Role |
|---|---|---|
| 1980 | Hito Hata: Raise the Banner | Haru |
| 1982 | Little House on the Prairie | 2nd Japanese Girl |
| 1986 | ABC Afterschool Specials | |
| 1987 | Growing Pains | Nurse |
| 1989 | Those She Left Behind | Dr. Yamura |
| 1990 | Gremlins 2: The New Batch | Newsstand Lady |
| 1990 | Come See the Paradise | Woman in Uniform |
| 1990 | Thousand Pieces of Gold | Li Ma |
| 1991 | In Living Color | |
| 1991 | Man of the People | Filipino Woman |
| 1992 | L.A. Law | Jury Foreperson |
| 1993 | South of Sunset | Nurse |
| 1993 | About Love | Katherine |
| 1994 | State of Emergency | Clerk |
| 1995 | Safe | Dry Cleaners Manager |
| 1995 | My Family/Mi familia | Nurse |
| 1996 | Almost Perfect | Emily |
| 1997 | Beverly Hills Ninja | Woman |
| 1997 | Trading Favors | Rosie |
| 1999 | Becker | Nurse Johnson |
| 1999 | Much Adobo About Nothing | Mrs. McGee |
| 1999 | Catfish in Black Bean Sauce | Mother (as Saachiko Magwili) |
| 2000 | The Michael Richards Show | Woman #4 |
| 2001 | My Wife and Kids | Salesperson |
| 2002 | 7th Heaven | Asian Neighbor |
| 2008 | All God's Children Can Dance | Woman Customer |
| 2011 | Shameless | Korean Lady |
| 2012 | House | Popo |
| 1974–1977 | M*A*S*H | Soony, Chim Sah (as Sachiko Penny Lee) |
| 1976 | Visions | Mrs. Shimizu (as Sachiko Penny Lee) |