The MacIver brothers (Michael Redgrave, Griffith Jones) build the first ship to cross the Atlantic by steam power alone.
Michael Redgrave
as Charles MacIver
Valerie Hobson
as Mary Ann Morison
Griffith Jones
as David MacIver
Hartley Power
as Samuel 'Sam' Cunard
Margaretta Scott
as Susan Donaldson
Bessie Love
as Begonia Baggot
Milton Rosmer
as George Burns
Frederick Leister
as James Morison
Henry Oscar
as Josiah Eagles
Edmund Willard
as Robert Napier
Charles Victor
as Tim Grogan
Frank Tickle
as Mr. Donaldson
