Parts Per Billion

Afghan Albanian Algerian American Andorran Angolan Barbuda Argentine Armenian Australian Austrian Azerbaijani Bahamian Bahraini Bangladeshi Belarusian Belgian Belizean Beninese Bhutanese Bolivian Bosnia Botswana Brazilian British Bruneian Bulgarian Burkinabé Burmese Burundian Cambodian Cameroonian Canadian African Chadian Chilean Chinese Colombian Comorian Croatian Cuban Curaçaoan Cypriot Czech Czechoslovak Danish Djiboutian Dutch Timorese Ecuadorian Egyptian Emirati Equatoguinean Eritrean Estonian Ethiopian Faroese Fijian Finnish French Gabonese Gambian German Ghanaian Greek Greenlandic Guatemalan Guinean Haitian Honduran Hong-Kong Hungarian Icelandic Indian Indonesian Iranian Iraqi Irish Israeli Italian Ivorian Jamaican Japanese Jordanian Kazakhstani Kenyan Korean Kosovan Kuwaiti Kyrgyzstani Laotian Latvian Lebanese Lesotho Liberian Libyan Lithuanian Luxembourgian Macanese Macedonian Malagasy Malawian Malaysian Maldivian Malian Maltese Mauritanian Mauritian Mexican Moldovan Mongolian Montenegrin Moroccan Mozambican Namibian Nepalese New Zealand Nicaraguan Nigerien Norwegian Pakistani Palestinian Panamanian Paraguayan Peruvian Philippine Polish Portuguese Qatari Romanian Russian Rwandan Sahrawi Samoan Arabian Senegalese Serbian Seychellois Sierra Singaporean Slovak Slovenian Somalian Soviet Spanish Sri-Lankan Sudanese Surinamese Swazi Swedish Swiss Syrian Taiwanese Tajikistani Tanzanian Thai Togolese Tongan

George O'Brien Janet Gaynor Margaret Livingston Bodil Rosing J. Farrell MacDonald Glen Cavender Jim Farley Buster Keaton Francis X. Bushman Jr. Greta Schröder Malcolm St. Clair Charles Chaplin Edna Purviance Jackie Coogan Carl Miller Albert Austin Hilda Borgström Werner Krauss Conrad Veidt Lil Dagover Hans Heinrich von Twardowski Peter Lorre James Cagney Jean Harlow Edward Woods Joan Blondell Donald Cook Adolphe Menjou Pat O'Brien Mary Brian Edward Everett Horton Walter Catlett Bela Lugosi Helen Chandler David Manners Dwight Frye Edward Van Sloan Harry Myers Hank Mann John Wayne El Brendel Tully Marshall Chester Morris Wallace Beery Lewis Stone Robert Montgomery Lew Ayres John Wray Ben Alexander Charles Farrell David Torrence Guinn 'Big Boy' Williams Jack Benny Joan Crawford Francis Lederer Clare Greet Richard Arlen Blue Washington Harold Goodwin Sidney Bracey Harry Gribbon Maurice Schutz Harry Crocker George Davis Henry Bergman William Powell Myrna Loy Maureen O'Sullivan Nat Pendleton Minna Gombell Clark Gable Claudette Colbert Walter Connolly Roscoe Karns Jameson Thomas John Barrymore Lionel Barrymore Lois Wilson Sidney Blackmer Matt Moore Billy Bletcher Pinto Colvig Walt Disney Fay Wray Bruce Cabot Frank Reicher Warner Baxter George Brent Ruby Keeler Guy Kibbee Lionel Atwill Melvyn Douglas Maude Eburne George E. Stone Boris Karloff Zita Johann Arthur Byron Charles Laughton Paul Muni Glenda Farrell