- Jack Palance
- Milo March
- Anita Ekberg
- Trudie Hall
- Nigel Patrick
- Sam Carter
- Anthony Newley
- Ernesto
- Bonar Colleano
- Martin Lomer
- Sean Kelly
- Rizzio
- Sidney James
- Franklin
- Donald Pleasence
- Organ Grinder
- Eric Pohlmann
- Tristao
- Josephine Brown
- Mrs. Frazur
- Gerard Heinz
- Stone
- Alec Mango
- Lopez
- Anne Aubrey
- Girl on Train
- Mary Laura Wood
- Mrs. Pritchard
- Angela White
- Pamela Pritchard
- Alfred Burke
- Mr. Pritchard
- Bill Shine
- English Husband
- Joan Ingram
- English Wife
- Naomi Chance
- Jane Leighton
- Mark Baker
- Mullins
- Alex Gallier
- Hotel Manager Lisbon
- Walter Gotell
- Profuno
- Richard Golding
- Bar Head Waiter
- Maxwell Shaw
- Desk Clerk Lisbon
- Raymond Adamson
- Police Inspector
- Paul Beradi
- Bystander Looking at Wrecked Car
- Ernest Blyth
- Man in Lisbon Hotel
- Jacques Cey
- Ticket Inspector
- Pauline Chamberlain
- Woman at Dance
- Jack Cunningham
- Stone's Jailer
- Victor Harrington
- Man in Madrid Hotel
- Anthony John
- Child
- Aileen Lewis
- Woman Dancing in Madrid Bistro
- Humphrey Morton
- Dapper Liile Man
- John Moulder-Brown
- (uncredited)
- Derek Prentice
- Aircraft Passenger
- Anthony Richmond
- Child
- Steven Scott
- Policeman
