The MacIver brothers (Michael Redgrave, Griffith Jones) build the first ship to cross the Atlantic by steam power alone.
as Charles MacIver
as Mary Ann Morison
as David MacIver
as Samuel 'Sam' Cunard
as Susan Donaldson
as Begonia Baggot
as George Burns
as James Morison
as Josiah Eagles
as Robert Napier
as Tim Grogan
as Mr. Donaldson
as Horatio Stubbs
as Bank President
as Dr. Lardner
as Capt. Woodruff
as Capt. Slade
as Henry
as Minor Role (uncredited)
as Minor role (uncredited)
as Minor role (uncredited)
as Minor role (uncredited)
as Minor role (uncredited)
as Minor role (uncredited)
as Minor role (uncredited)
as Princess Margaret (archive footage)
as Princess Elizabeth (archive footage)
as The Queen Mother (archive footage)
as Extra (uncredited)