| Ines, Zofia de | Zofia de Ines | Costume Designer | 1997 | 1 | |
| Inescort, Irene | Irene Inescort | Actor | 1973 - 1982 | 2 | |
| Iñesta, Lucía | Lucía Iñesta | Actor | 2021 | 1 | |
| Infante, Diogo | Diogo Infante | Actor | 1992 | 1 | |
| Ing Ing, Pang | Pang Ing Ing | Actor | 2018 | 1 | |
| Ingalls, James F. | James F. Ingalls | Lighting Designer | 1982 - 2013 | 5 | |
| Ingargiola, Alessandra | Alessandra Ingargiola | Actor | 2002 - 2005 | 16 | |
| Ingberg, Edvin | Edvin Ingberg | Actor | 1916 - 1937 | 8 | |
| Ingberg, Fanny | Fanny Ingberg | Actor | 1882 | 1 | |
| Inge Cadurisch, Inge Cadurisch | Inge Cadurisch | Actor | 2007 | 1 | |
| Ingeberg, Per | Per Ingeberg | Actor | 1973 | 1 | |
| Ingeborgrud, Lina Hopaneng | Lina Hopaneng Ingeborgrud | Actor | 2009 | 1 | |
| Ingebretsen, Kjell | Kjell Ingebretsen | Conductor | 1984 | 1 | |
| Ingebretsen, Nils | Nils Ingebretsen | Actor | 2011 | 1 | |
| Ingebricson, Eirik | Eirik Ingebricson | Lighting Designer | 1995 - 1996 | 2 | |
| Ingebrigtsen, Tove | Tove Ingebrigtsen | Mask Maker | 1996 - 2004 | 2 | |
| Ingebrigtson, Lillian | Lillian Ingebrigtson | Actor | 1937 | 1 | |
| Ingelius, Karl | Karl Ingelius | Designer | 1941 | 1 | 1 |
| Ingelsrud, Hans Kristian | Hans Kristian Ingelsrud | Actor | 2009 | 1 | |
| Ingenhaag, Andreas | Andreas Ingenhaag | Director | 2010 | 6 | |
| Ingenohl, Oskar | Oskar Ingenohl | Actor | 1911 - 1919 | 15 | |
| Ingenthron, Karen | Karen Ingenthron | Actor | 1973 | 1 | |
| Inger, Carl | Carl Inger | Dancer | 1992 | 1 | |
| Inger, Johan | Johan Inger | Choreographer | 2017 - 2022 | 2 | |
| Inger, Manfred | Manfred Inger | Actor | 1960 - 1964 | 3 | |
| Ingerslev-Jensen, Poul | Poul Ingerslev-Jensen | Actor | 1926 | 1 | 1 |
| Ingerslev, Jess | Jess Ingerslev | Actor | 1989 | 7 | 1 |
| Ingersoll, Amy | Amy Ingersoll | Actor | 1974 - 1977 | 5 | |
| Ingey, Yedwart | Yedwart Ingey | Actor | 1996 - 1997 | 18 | |
| Ingham, Barrie | Barrie Ingham | Actor | 1979 | 1 | |
| Ingham, Richard | Richard Ingham | Actor | 1964 | 1 | |
| Ingham, Robert | Robert Ingham | Actor | 1967 | 3 | |
| Ingham, Sheila | Sheila Ingham | Designer | 2001 | 1 | |
| Ingilizova, Anastasija | Anastasija Ingilizova | Actor | 2006 | 1 | |
| Ingimarsdóttir, Auður | Auður Ingimarsdóttir | Actor | 1978 | 1 | |
| Ingle, Graham | Graham Ingle | Actor | 1994 | 9 | |
| Inglesi, Irini | Irini Inglesi | Actor | 2004 - 2005 | 2 | |
| Inglis, Andrew | Andrew Inglis | Actor | 1989 | 1 | |
| Inglis, David | David Inglis | Actor | 2004 | 1 | |
| Inglis, Rob | Rob Inglis | Actor | 1964 | 1 | |
| Ingman, M. W. | M. W. Ingman | Actor | 1883 | 1 | |
| Ingo-Brandt, Alex | Alex Ingo-Brandt | Actor | 1910 - 1911 | 2 | |
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