| Howell, Richard | Richard Howell | Lighting Designer | 2012 - 2013 | 2 | |
| Howell, Patrick | Patrick Howell | Actor | 2012 | 1 | |
| Howell, Michael W. | Michael W. Howell | Actor | 2006 | 1 | |
| Howell, Martin | Martin Howell | Actor | 2019 | 1 | |
| Howell, Marg | Marg Howell | Designer | 2014 | 1 | |
| Howell, Kathryn S. | Kathryn S. Howell | Actor | 1933 | 1 | |
| Howell, John, | John Howell | Actor | 1922 | 2 | |
| Howell, Isabel, | Isabel Howell | Actor | 1906 | 3 | |
| Howell, Gary | Gary Howell | Actor | 2007 | 1 | |
| Howell, Cam | Cam Howell | Actor | 2012 | 1 | |
| Howell, Anthony | Anthony Howell | Actor | 2008 | 2 | |
| Howell, Andrew | Andrew Howell | Actor | 2005 | 1 | |
| Howe, Walter, | Walter Howe | Actor | 1906 | 3 | |
| Howe, W. D., | W. D. Howe (W. D. Howe) | Actor | 1905 | 1 | |
| Howe, Patrick | Patrick Howe | | | | 4 |
| Howe, James G., | James G. Howe (James G. Howe) | Actor | 1908 | 1 | |
| Howe, Helen | Helen Howe | Actor | 1930 | 1 | |
| Howe, Dagmar, | Dagmar Howe | Actor | 1950 | 1 | |
| Howe, Bob | Bob Howe | Actor | 1968 | 1 | |
| Howard, Zena | Zena Howard | Actor | 1930 | 1 | |
| Howard, Troup | Troup Howard | Actor | 2003 | 1 | |
| Howard, Trevor | Trevor Howard | Actor | 1962 | 3 | |
| Howard, Tim | Tim Howard | Actor | 2012 | 1 | |
| Howard, Tamera | Tamera Howard | Actor | 2006 | 1 | |
| Howard, Sydney, | Sydney Howard | Actor | 1891 - 1892 | 1 | |
| Howard, Stuart | Stuart Howard | Actor | 2018 | 1 | |
| Howard, Stephanie | Stephanie Howard | Designer | 1988 | 1 | |
| Howard, Skip | Skip Howard | Actor | 2017 | 1 | |
| Howard, Sian | Sian Howard | Actor | 2014 - 2015 | 2 | |
| Howard, Sally | Sally Howard | Designer | 2009 | 1 | |
| Howard, Robin | Robin Howard | Actor | 1997 | 1 | |
| Howard, Robert | Robert Howard | Actor | 1979 | 1 | |
| Howard, Richard | Richard Howard | Actor | 1995 | 1 | |
| Howard, Ray | Ray Howard | Actor | 2008 | 1 | |
| Howard, Peter | Peter Howard | Actor | 1984 | 1 | |
| Howard, Pamela | Pamela Howard | Designer | 1967 - 1999 | 17 | |
| Howard, Neil, | Neil Howard | Translator | 2004 - 2011 | 8 | |
| Howard, Mildred | Mildred Howard | Actor | 1951 | 1 | |
| Howard, Marcus | Marcus Howard | Actor | 2011 | 12 | |
| Howard, Mabel, | Mabel Howard | Actor | 1901 | 2 | |
| Howard, Laura | Laura Howard | Actor | 1999 | 7 | |
| Howard, Kevin | Kevin Howard | Actor | 2005 | 7 | |
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