Niles Welch

as Tom Axel (uncredited)

as Sam Crandall

as Mr. Vandor

as Warren Slade

as "Marconi"

as Donald Cameron

as Narrator (voice)

as Roy Fenton

as Druggist (uncredited)

as Safety Engineer (uncredited)

as Guest on Yacht (uncredited)

as Tom Hope

as Jerry Clement

as Frank Harriman

as Examiner (uncredited)

as William Jennings Bryan

as Metzger

as John Harwood

as Mason

as The Wife's Former Fiancee