"A blazingly intense performance by O'Kasi...has energy and theatricality to burn" The Scotsman

Born in Dublin to Irish and Nigerian parents, Leann grew up in the East End of London from the age of 4.

She is a graduate of the Royal Central School of Speech and Drama.

On screen, Leann has appeared alongside Gregor Fisher and Tony Roper in the BAFTA award-winning BBC2 sitcom Rab C. Nesbitt and with Gangs of New York actor Gary Lewis in short Last Order.

Stage work includes projects with BBC Writersroom and Live Theatre, Citizens Theatre, Ice & Fire, Arcola Theatre, Brighton Dome, Southwark Playhouse, National Theatre of Scotland and Theatre503. She is an associate artist with Crosspath Theatre founded by award-winning poet and Queen's Gold Medalist John Agard.

Leann has voiced ground breaking HIV and AIDS documentary 'Condom Commandos' winner of the Gold award at the Chicago International Film Festival. She has also voiced the title role in animated short film 'Sara's Story' nominated for The Herald Scottish Digital Business Awards.

Leann was previously Artist in Residence at the Tron Theatre where she wrote and performed one woman play ‘Dirty Paradise’ inspired by the work of Gabriel García Márquez. The play received 4 star reviews from The Scotsman and The Herald publications and features in the book ‘Mental Illness in Popular Media: Essays on the Representation of Disorders’ Edited by Lawrence Rubin.

Leann was shortlisted for the Hospital Club Emerging Creatives Programme in 2019.


Leann is represented by Actors International Ltd. 

For casting inquiries please get in touch through the contact tab at the top or email mail@actorsinternational.co.uk

Thank you.


Click to view my Spotlight CV