Donald Sinden

as Col. Sir Charles Holland

Anthony Steel

as Capt. David Holland

Anna Maria Sandri

as Mabrouka ben Yussef

André Morell

as Sheik Salem ben Yussef

Donald Pleasence

as Ali

Ralph Truman

as Major Cross

Terence Sharkey

as Daoud Holland

Anton Diffring

as Senior German Officer

Anthony Bushell

as Ambassador Baring

Michael Craig

as Sheikh Faris

Frederick Jaeger

as Koch

Derek Sydney

as Interpreter