Roger Moore

Lord Brett Sinclair/The General/The Admiral/Lady Agatha

Tony Curtis

Danny Wilde/Aunt Sophie Schwartz

Bernard Lee

Sam Milford

Reginald Marsh

Dr Fowler

Tony Wright

David Alton

Gerald Sim

Dr Gordon

Johnny Briggs

Charlie

Joanne Dainton

Miss Lindsay

Vivien Neves

Danny's Girl

Diane Cilento

Kate Sinclair

Denholm Elliott

Roland

William Rushton

Lance

Roland Culver

Duke of Caith

Moultrie Kelsall

Sir Angus

Christopher Sandford

Onslow

Ivor Dean

Mr Beebe