Rock Hudson as Michael Martin

Barbara Rush as Aga Doherty

Jeff Morrow as John Doherty

Kathleen Ryan as Lady Anne More

Finlay Currie as Callahan

Denis O'Dea as Regis Donnell

Geoffrey Toone as Captain Hood

Hilton Edwards as Lord Glen

Sheila Brennan as Waitress

Harry Goldblatt as Brady

Charles B. Fitzsimons as Dan Shanley

Christopher Casson as Lord Clonmell

Philip O'Flynn as Trim

Shay Gorman as Tim Keenan

Kenneth MacDonald as Desmond

Robert Bernal as Clagett

Louise Studley as Cathy

J.G. Devlin as Tuer O'Brien

Mike Nolan as Willie the Goat

Edward Aylward as Big Tom

Lord Mount Charles as English Gentleman

Lady Mount Charles as English Lady