| Þorvarðsson, Kjartan | Kjartan Þorvarðsson | Actor | 1928 | 1 | |
| Þorvalsdóttir, Lilja Guðrún | Lilja Guðrún Þorvalsdóttir | Actor | 1991 | 1 | |
| Þorvaldsdóttir, Sigríður | Sigríður Þorvaldsdóttir | Actor | 1978 - 1991 | 3 | |
| Þorvaldsdóttir, Herdís | Herdís Þorvaldsdóttir | Actor | 1962 - 1991 | 3 | |
| Þórsteinsson, Kristinn | Kristinn Þórsteinsson | Actor | 1978 | 1 | |
| Þorsteinsson, Ari Gunnar | Ari Gunnar Þorsteinsson | Actor | 1998 | 1 | |
| Þorsteinsdóttir, Steinunn Ólína | Steinunn Ólína Þorsteinsdóttir | Actor | 1991 - 1996 | 3 | |
| Þorsteinsdóttir, Jónína | Jónína Þorsteinsdóttir | Actor | 1944 | 1 | |
| Þórsdóttir, Rósa Guðný | Rósa Guðný Þórsdóttir | Actor | 1993 | 2 | |
| Þorleifsson, Eggert | Eggert Þorleifsson | Actor | 1993 - 2011 | 3 | 2 |
| Þorleifsdóttir, Þórhildur | Þórhildur Þorleifsdóttir | Adaptation, Dancer, Director | 1962 - 1991 | 3 | |
| Þorláksson, Þórarinn B. | Þórarinn B. Þorláksson | Designer | 1903 | 1 | |
| Þorláksson, Randver | Randver Þorláksson | Actor | 1991 | 1 | |
| Þórisson, Jón | Jón Þórisson | Costume Designer, Designer | 1976 | 2 | |
| Þórisdóttir, Guðný Margrét | Guðný Margrét Þórisdóttir | Actor | 1944 | 1 | |
| Þórhallsson, Svavar, Þ. | Svavar Þ. Þórhallsson | Actor | 1975 | 1 | |
| Þórhallsdóttir, Sólveig Elín | Sólveig Elín Þórhallsdóttir | Actor | 1998 | 1 | |
| Þorgrímsson, Kristján Ó. | Kristján Ó. Þorgrímsson | Actor | 1892 - 1903 | 2 | |
| Þorgrímsdóttir, Þórunn Sigríður | Þórunn Sigríður Þorgrímsdóttir | Costume Designer, Designer | 1998 - 2003 | 3 | |
| Þórðarson, Þórður Jón | Þórður Jón Þórðarson | Actor | 1973 | 1 | |
| Þórðardóttir, Regína | Regína Þórðardóttir | Actor | 1944 - 1954 | 2 | |
| Þórðardóttir, Inga | Inga Þórðardóttir | Actor | 1944 | 1 | |
| Þórðardóttir, Guðrún | Guðrún Þórðardóttir | Actor | 1978 | 1 | |
| Þorbjarnardóttir, Guðbjörg | Guðbjörg Þorbjarnardóttir | Actor | 1965 - 1973 | 2 | |
| Þórarinsson, Ríkharður | Ríkharður Þórarinsson | Actor | 1978 | 1 | |
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