Roger Moore character Gary Fenn
Martha Hyer character Jo Grinling
Alexis Kanner character Tarquin
Claudie Lange character Marla Kugash
Derek Francis character Sir Charles Moberley
Ursula Howells character Maggi Thwaites
Bernard Lee character Chilmore
Francis Matthews character Ruddock
Dudley Sutton character Warren
Mona Bruce character Myrna
Veronica Carlson character Dinah
Michael Culver character Jim
Gabrielle Drake character Celia
Norman Eshley character Athol
Anthony Sharp character Vicar
David Prowse character Wedding Guest (uncredited)
David Battley character Groom (uncredited)
