Christopher Neil as Sid South

Arthur Mullard as Blackie

Anna Quayle as Loretta Proudfoot

Stephen Lewis as B.A. Crapper

Christopher Biggins as Robin

Elaine Paige as Susie

Nina West as Sally

William Rushton as Dodger Harris

Prudence Drage as Janice Biggs

Jonathan Adams as Rent Collector

Graham Ashley as Thief

Neville Barber as Charteris

Lindy Benson as Maisie

John Bott as Insurance Man

Richard Caldicot as Chief Inspector Henry Wallings

Dave Carter as Thief

Peter Cleall as Carson

Angela Daniels as Charteris' Secretary

Claire Davenport as Belinda

Christine Donna as Anna

Kim Fortune as Jeweller's Assistant

Leon Greene as Billy Biggs

Linda Hartley as Tennis Girl

Mary Henry as Mrs. Wallings

Suzy Mandel as Tennis Girl

Derek Martin as Motorcycle Dealer

David Rayner as Hubert

Stephen Riddle as Willie

Vicki Scott as Tennis Girl

Tessa Skola as Tennis Girl

Jerold Wells as Stropper

William Whymper as Junkman

Theresa Wood as Plunger Girl

John Wyman as Maisie's Husband

Pat Astley as Party Guest (uncredited)