actor-manager 
noun
A person who is both manager and actor in a theatre company.In a time that now seems distant, traveling theatrical repertory companies under the aegis of actor-managers like Laurence Olivier were a common phenomenon....
- In spite of losing some £65,000 as an actor-manager at the Old Vic for eight years, he wrote in a letter that there are ‘few occupations more delightful than administering a theatre with imagination and dignity’.
- The great 18th century actor-manager David Garrick performed a work entitled ‘Prologue for Mother Shipton to a New Speaking pantomime’.
- multi-instrumentalist
- multi-jet
- multijointed
- multijugate
- multi-keyboard
- multi-kilo
- multilamellar
- multilamellate
- multilamellated
- multilaminar
- multilaminate
- multilaminated
- multi-lane
- multilanguage
- multilateral
- multilateralisation
- multilateralise
- multilateralism
- multilateralist
- multilateralization
- multilateralize
- multilaterally
- multilayer
- multilayered
- multilayeredness