26 actors have played Regan in King Lear.
| Performer | Production | Opened |
|---|---|---|
| Genevieve Reynolds | Broadway King Lear | 1915 |
| Virginia Bronson | Broadway King Lear | 1917 |
| Kirah Markham | Broadway King Lear | 1923 |
| Ingeborg Torrup | Broadway King Lear | 1930 |
| Ann Chalkley | Broadway King Lear | 1947 |
| Jo Van Fleet | Broadway King Lear | 1950 |
| Joan Potter | Off-Broadway King Lear | 1962 |
| Joan Jeffri | Broadway King Lear | 1968 |
| Patricia Elliott | Broadway King Lear | 1968 |
| Ellen Holly | Off-Broadway King Lear | 1973 |
| Patricia Hodges | Off-Broadway King Lear | 1978 |
| Carol Schultz | Off-Broadway King Lear | 1982 |
| Margery Murray | Off-Broadway King Lear | 1990 |
| Elizabeth Marvel | Off-Broadway King Lear | 1996 |
| Lucy Peacock | Broadway King Lear | 2004 |
| Susan Wilder | Broadway King Lear | 2004 |
| Zainab Jah | Off-Broadway King Lear | 2006 |
| Laura Odeh | Off-Broadway King Lear | 2007 |
| Kelli O'Hara | Off-Broadway King Lear | 2011 |
| Jessica Hecht | Off-Broadway King Lear | 2014 |
| Jane Horrocks | West End King Lear | 2016 |
| Jessica Murrain | West End King Lear | 2018 |
| Kirsty Bushell | West End King Lear | 2018 |
| Aisling O'Sullivan | Broadway King Lear | 2019 |
| Melanie‑Joyce Bermudez | West End King Lear | 2023 |
| Saffron Coomber | Off-Broadway King Lear | 2024 |
Other Roles in King Lear
| Role | Production | Opened |
|---|---|---|
| Albany | Off-Broadway King Lear | 1978 |
| Burgundy | Off-Broadway King Lear | 1978 |
| Captain | Off-Broadway King Lear | 1978 |
| Cordelia | Off-Broadway King Lear | 1978 |
| Cornwall | Off-Broadway King Lear | 1978 |
| Doctor | Off-Broadway King Lear | 1978 |
| Edgar | Off-Broadway King Lear | 1978 |
| Edmund | Off-Broadway King Lear | 1978 |
| Fool | Off-Broadway King Lear | 1978 |
| Gloucester | Off-Broadway King Lear | 1978 |
| Goneril | Off-Broadway King Lear | 1978 |
| Kent | Off-Broadway King Lear | 1978 |
| King of France | Off-Broadway King Lear | 1978 |
| Lear | Off-Broadway King Lear | 1978 |
| Oswald | Off-Broadway King Lear | 1978 |
| Regan | Off-Broadway King Lear | 1978 |
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