Mary Seibel
- Recitazione
Noto per
Filmografia
- The Mole Man of Belmont Avenue · Mrs. Habershackle
- Un principiante in prigione · Old Bartender
- Normal · Em - Roy's Mother
- Rain · Motel Clerk
- Charming Billy · Farmer's Wife
- Ultime dal cielo · Receptionist
- Reazione a catena · Older Woman on Train
- Evil Has a Face · Degattis
- Inviati molto speciali · Woman Walking Dog
- 110 e lode · Social Security Clerk
- Occhi nelle tenebre · Records Nurse
- Hansel and Gretel, Rapunzel, and Other Animated Tales · Wife / Witch
- Uccidete la colomba bianca · Henke's Mother
- Major League - La squadra più scassata della lega · Thelma
- Murder Ordained · June Post
- Arizona Junior · Parole Board Member
- Crime Story · Anna O'Donnell (as Mary Siebel)
- The Impostor
- Come Along with Me · Mabel's Mother
- American Playhouse · Mabel's Mother
- The Attitude Factor · Barbara Blackstone
- Un matrimonio · Aunt Marge Spar