Herbert Lom as Waldo Zhernikov

John Gregson as Det. Insp. Sayers

Sean Connery as Paddy Damion

Alfred Marks as Harry Foulcher

Yvonne Romain as Anya Bergodin

Olive McFarland as Sadie

Frederick Piper as Sgt. Bob Ogle

Marianne Stone as Barmaid

John Stone as Hood

David Davies as Alf Peters

Tom Bowman as Tanky Thomas

Robert Cawdron as Nero

George Pastell as Sanchetti

Patrick Holt as Supt. Carter

Sheena Marshe as Avril

Patrick Jordan as Frankie Farmer

Arnold Diamond as Moffat

Jack Stewart as Tyson

Martin Wyldeck as Security Officer

John Baker as Warder

Kenneth Griffith as Wally

Doug Robinson as Salty Brewer

Robert Percival as Wingrove

John Witty as T.V. Announcer

J.G. Devlin as Informer

Julie Shearing as Hatcheck Girl

April Wilding as Pretty Secretary (Wingrove)

Vanda Godsell as Sophie Peters

Bruce Seton as Assistant Commissioner

Yvonne Ball as Myrna

Kenneth J. Warren as Title Thug

Stephen Lewis as Alf's 1st Thug

James Fitzgerald as Alf's 2nd Thug

Neal Arden as Head Waiter - Taboo Club

Joan Haythorne as Miss Rush (Waldo's Secretary)

Stuart Saunders as Publican

John Maxim as Lippy Green

Tony Hawes as Lord Buncholme

Joe Wadham as Rover Driver

Penny Service as Clarissa

Walter Brown as Billy Agnew

Maurice Bush as Basher Prebble

Norrie Paramor as Pianist (Taboo Club)

Malcolm Clare as Choreographer (Taboo Club)

Yvonne Buckingham as Pretty Girl (Taboo Club)

Eve Eden as Cigarette Girl (Taboo Club)