- Unknown:
- Rex Rienits
- Story By:
- Mark Twain
- Produced By:
- Cleland Finn
- Henry Adams:
- Arthur Hill
- Skipper:
- David Kossoff
- Butler:
- Howieson Culff
- Charles:
- John Turnbull
- Abel:
- Alastair Duncan
- Patrick Harris:
- Harry Hutchinson
- Constable:
- Stanley Groome
- Shop attendant:
- Roger Delgado
- Mr HaHiday:
- Charles Lefeaux
- Waiter:
- Hamilton Dyce
- Hotel manager:
- Richard Williams
- Society photographer:
- Richard Hurndall
- Salesman:
- Malcolm Hayes
- Actress:
- Margaret Vines
- American ambassador:
- Hamilton Dyce
- Duke of Shoreditch:
- Roger Delgado
- Portia Lahgham:
- Dorothy Smith
- Eddie:
- David Kossoff
- Al:
- Alastair Duncan