Billy Liar

Tom Courtenay

William Terrence 'Billy' Fisher

Julie Christie

Liz

Wilfred Pickles

Geoffrey Fisher

Mona Washbourne

Alice Fisher

Ethel Griffies

Grandma Florence

Finlay Currie

Duxbury

Gwendolyn Watts

Rita

Helen Fraser

Barbara

Leonard Rossiter

Emanuel Shadrack

Rodney Bewes

Arthur Crabtree

George Innes

Stamp

Leslie Randall

Danny Boon

Patrick Barr

Inspector MacDonald

Ernest Clark

Prison Governor

Godfrey Winn

Disc Jockey

Jack Cunningham

Ticket Examiner (uncredited)