Television credits include: Carnival Row (Amazon Studios); Tin Star (Sky Atlantic); Cold Feet (Big Talk/ITV); Babs (BBC); Good Karma Hospital (ITV); Black Mirror (Channel 4); Home Fires (ITV); Undercover (BBC); HG Wells – The Purple Pileus (Sky Arts); Line of Duty 3 (BBC); From Darkness (BBC); The Outcast (BBC); Ripper Street (BBC); Fortitude (Sky Atlantic); New Tricks (BBC); The Driver (BBC); Shetland (BBC); Lucan (ITV); Worricker: Salting the Battlefield (BBC); Stepping Up (BBC); Good Cop (BBC); Moving On (BBC); Mobile (Granada/ITV); New Street Law (Red Productions); Heatwave (BBC); Wire in the Blood (Coastal Productions); Casualty (BBC).

Film credits include: Little Joe (COOP99 Filmproduktion); Film Stars Don’t Die in Liverpool (Eon Productions); The Infiltrator (Good Films Ltd); Native (Film First Productions); Star Wars: The Force Awakens (Lucasfilm); The Woman in Black 2: Angel of Death (Exclusive Media); The Be All and End All (Whatever Films); Casbah – A Documentary (Best Wishes Prods).

Theatre credits include: Educating Rita (Liverpool Everyman); The Matchbox (Tricycle Theatre, Liverpool Everyman); Backbeat (Theatre LA); Damned by Despair (National Theatre); A Streetcar Named Desire (Liverpool Playhouse); My Zinc Bed (Royal Theatre Northampton); The Hypochondriac (Liverpool Everyman); Horse Marines (Plymouth Drum); Drowning on Dry Land (Salisbury Playhouse); Desperately Seeking Susan (Novello Theatre); The May Queen (Liverpool Playhouse); Our Country’s Good (Liverpool Playhouse); Fleet Street Nativity (Liverpool Everyman); The Way Home (Liverpool Everyman); Unprotected (Liverpool Everyman); The Morris (Liverpool Everyman); Macbeth (Liverpool Everyman); Popcorn (Liverpool Playhouse).
Short film credits include: Cotton Wool (Quinn Productions).

Leanne was nominated for the TMA Award for Best Performance for The Matchbox at Liverpool Everyman.