Kenneth MacKenna

as Paul Logan

as Kenneth Norris

as President Byrne of Pinehurst

as Jimmy Crosby

as Freddie Williston

as Capt. Trevelyan

as Graham

as Captain Hugh 'Bulldog' Drummond

as Victor Sablin

as Chief Burke

as Gaylord Stanton

as Jack Gardner

as Count d'Amati

as Capt. Anthony Dean

as Dr. Tom Winston

as William Carroll / Henry Carroll

as Horace Niles

as Johnny King

as Bob Hawley

as Morgan

as Edward Manton

as Bishop Cannon