Alec Guinness (Henry Holland)
Stanley Holloway (Alfred Pendelbury)
Sidney James (Lackery Wood)
Alfie Bass (Shorty Fisher)
Marjorie Fielding (Mrs. Chalk)
Frank Forsyth
Sydney Tafler (Clayton)
Tony Quinn (Deputy Commander)
Marie Ney
Arthur Mullard
John Warwick
Robert Shaw
Paul Demel (Customs Official)
Joe Clark
Ann Heffernan (Kiosk Girl)
William Fox (Gregory)
Andrea Malandrinos (Customs Official)
Charles Lamb
Patrick Barr (Inspector)
Jacques Brunius (Official)
Jacques Cey
Cyril Chamberlain (Commander)
David Davies (City Policeman)
Eugene Deckers (Customs Official)
Archie Duncan
Meredith Edwards (P.C. Williams)
Fred Griffiths
Moultrie Kelsall (Detective Superintendant)
Christopher Hewett (Inspector Talbot)
Gibb McLaughlin (Godwin)
John Gregson (Farrow)
Clive Morton (Station Sergeant)
Frederick Piper (Cafe Owner)
Peter Bull (Joe the Gab)
Patric Doonan (Craggs)
Marie Burke (Senora Gallardo)
Audrey Hepburn (Chiquita)
Michael Trubshawe (Ambassador)
Ronald Adam (Turner)
Edie Martin (Miss Evesham)
John Salew (Parkin)
Arthur Hambling (Wallis)