除此之外，玛娜·洛伊还是社会活动家。二战时为红十字会工作。50年代，受当时美国反共潮流的影响，玛娜·洛伊受到了迫害，此间影片的拍摄有明显的减少。别外，她也参加电视剧的演出，如《科伦博》等。
1993年12月14日，玛娜·洛伊逝世于美国纽约。
剑侠唐璜 Don Juan
笙歌满巴黎 So This Is Paris爵士歌手 Jazz Singer, The
Arrowsmith
横越大西洋 Transatlantic
Animal Kingdom, The
艾玛 Emma
红楼艳史 Love Me Tonight Mask of Fu Manchu, The
Penthouse
Prizefighter and the Lady, The
Topaze
Broadway Bill
Evelyn Prentice
男人世界 Manhattan Melodrama
瘦子 Thin Man, The迷雾重重 After the Thin Man
歌舞大王齐格飞 Great Ziegfeld, The
假戏真做 Libeled Lady
Wife vs. Secretary
Double Wedding
试验飞行员 Test Pilot
午夜花的世界 Too Hot to Handle
疑云重重 Another Thin Man
雨季来临 Rains Came, The
I Love You Again痴怨情鸯 Love Crazy
Shadow of the Thin Man
Show Business at War
黄金时代 Best Years of Our Lives, The
疑云风波 Thin Man Goes Home, The
单身汉与时髦女郎 Bachelor and the Bobby-Soxer, The
官场现形记 Senator Was Indiscreet, The
Song of the Thin Man
燕雀香巢 Mr. Blandings Builds His Dream House
芳宛长春 Red Pony, The
父亲大人 Cheaper by the Dozen
群梦乱飞 Belles on Their Toes
大使千金 Ambassador's Daughter, The
Lonelyhearts露台春潮 From the Terrace
Midnight Lace
Big Parade of Comedy, The
春花秋月奈何天 Inside Daisy Clover
Love Goddesses, The
八十年代人生 April Fools, The
Columbo: Étude in Black
75空难 Airport 1975
娱乐世界续集 That's Entertainment, Part II
It Happened at Lakewood Manor
黄昏夕阳 End, The
Just Tell Me What You Want