西德尼·奥尔德曼·布莱克默（Sidney Alderman Blackmer，1895年7月13日－1973年10月6日）是一位美国百老汇和电影演员，活跃于1914年至1971年之间，通常饰演重要的配角。
按上映时间与职务展示
罗斯玛丽的婴儿
A Covenant with Death
杀妻记
牧野芳踪
被控谋杀
高度怀疑
上流社会
The View from Pompey's Head
情天未了缘
Johnny Dark
The San Francisco Story
人言可畏
威尔逊总统传
The Lady and the Monster
水牛比尔
在古老的俄克拉何马州
Quiet Please, Murder
I Escaped from the Gestapo
Murder in Times Square
纳粹特工
The Panther's Claw
Always in My Heart
Sabotage Squad
Gallant Lady
痴怨情鸯
为毕晓普小姐干杯
Ellery Queen and the Perfect Crime
Down Mexico Way
The Officer and the Lady
Murder Among Friends
The Great Swindle
The Feminine Touch
Third Finger, Left Hand
Teddy the Rough Rider
I Want a Divorce
Maryland
Framed
Convict's Code
精彩寰球
Law of the Pampas
Within the Law
Unmarried
Straight Place and Show
Trade Winds
While New York Sleeps
芝加哥大火记
Speed to Burn
苏伊士运河
The Last Gangster
Girl Overboard
Thank You, Mr. Moto
This Is My Affair
Wife, Doctor and Nurse
海蒂
陈查理在蒙第卡罗
The Women Men Marry
Missing Girls
Early to Bed
Florida Special
Heart of the West
The President's Mystery
Woman Trap
The House of Secrets
A Notorious Gentleman
Smart Girl
Streamline Express
Shadows of the Orient
Great God Gold
The Girl Who Came Back
Forced Landing
The Fire-Trap
False Pretenses
小上校
Down to Their Last Yacht
大西洋彼岸的旋转木马
This Man Is Mine
The President Vanishes
基督山伯爵
Good-bye Love
大洪水
Cocktail Hour
小凯撒
It's a Wise Child
Mother's Cry
Kismet
Strictly Modern
The Bad Man
The Love Racket