Auguste Pellerin

Robert Montgomery

Riviere

John Barrymore

Simone Fabian

Helen Hayes

Brazilian Pilot

William Gargan

Wife of Brazilian Pilot

Myrna Loy

Jules

Clark Gable

Radio Operator

Frank Conroy

Insp. Robineau

Lionel Barrymore

Jules' Radio Operator / Co-Pilot

Leslie Fenton

Daudet

C. Henry Gordon

Pierre Roblet

Harry Beresford

Dr. Decosta

Irving Pichel

Pilot Number Five

Ralf Harolde

Pellerin's Girlfriend

Dorothy Burgess

Worried Mother

Helen Jerome Eddy

Sick Child

Buster Phelps

Nightclub Vamp

Marcia Ralston

Nightclub Manager (uncredited)

Maurice Black

Radio Operator on Telephone (uncredited)

Ed Brady

Airport Office Employee (uncredited)

Sidney D'Albrook

Santiago Nurse (uncredited)

Claire Du Brey

Airport Office Employee (uncredited)

Sherry Hall

Airport Office Clerk (uncredited)

Otto Hoffman

Santiago Doctor (uncredited)

George Irving

Mechanic (uncredited)

Wallace MacDonald

Airport Office Employee (uncredited)

Michael Mark

Radioman (uncredited)

Francis McDonald

Radioman (uncredited)

Louis Natheaux

Simone's Maid (uncredited)

Inez Palange

Airport Office Employee (uncredited)

Edward Peil Sr.

Mother in Window (uncredited)

Evelyn Selbie