Ben Lyon as Monte Rutledge

James Hall as Roy Rutledge

Jean Harlow as Helen

John Darrow as Karl Armstedt

Lucien Prival as Baron Von Kranz

Frank Clarke as Lt. von Bruen

Roy Wilson as Baldy Maloney

Douglas Gilmore as Capt. Redfield

Jane Winton as Baroness Von Kranz

Evelyn Hall as Lady Randolph

William B. Davidson as Staff Major

Wyndham Standing as RFC Squadron Commander

Lena Malena as Gretchen the Waitress

Marian Marsh as Girl Selling Kisses

Carl von Haartman as Zeppelin Commander

Ferdinand Schumann-Heink as First Officer of Zeppelin

Stephen Carr as Elliott

Thomas Carr as Pilot

J. Granville-Davis as Pilot

Nora Cecil as Helen's Maid (uncredited)

Rene Marvelle as French Girl (uncredited)

Georgette Rhodes as French Girl (uncredited)

Howard Batt as Minor Role (uncredited)

George Berliner as Bit Role (uncredited)

Bob Blair as Bit Role (uncredited)

Eddie Brownell as Bit Role (uncredited)

Hank Coffin as Pilot (uncredited)

Ross Cooke as Pilot (uncredited)

Lawford Davidson as British Officer Shot by Firing Squad (uncredited)

Jack Deery as Splashed Officer (uncredited)

Lucy Doraine as Bit Role (uncredited)

David Findlay as Bit Role (uncredited)

Curt Furberg as Bit Role (uncredited)

Frank Goddard as Bit Role (uncredited)

Lisa Gora as Bit Role (uncredited)

Douglas Gordon as Bit Role (uncredited)

Owen Gorin as Bit Role (uncredited)

Pat Harmon as Recruiting Sergeant (uncredited)

Hans Joby as Von Schlieben (uncredited)

Al Johnson as Pilot (uncredited)

Morey Johnson as Minor Role (uncredited)

Werner Klingler as Bit Role (uncredited)

Burton Lane as Bit Role (uncredited)

Al Lary as Minor Role (uncredited)

Garland Lincoln as Bit Role (uncredited)

Harry Lipman as Bit Role (uncredited)

Maurice Murphy as Pilot (uncredited)

Stewart Murphy as Pilot (uncredited)

Leo Nomis as Pilot (uncredited)

Ira Reed as Pilot (uncredited)

Harry Semels as Anarchist (uncredited)

Ernie Smith as Bit Role (uncredited)

Pat Somerset as Marryat (uncredited)

Joan Standing as Roy's Dancing Partner (uncredited)

Harry Strang as Bit Role (uncredited)

C.F. Sullivan as Pilot (uncredited)

Gertrude Sutton as Canteen Worker (uncredited)

Frank Tomick as Pilot (uncredited)

Roscoe Turner as Pilot (uncredited)

Wilhelm von Brincken as Von Richter (uncredited)

Tibor von Janny as Bit Role (uncredited)

Al Wilson as Pilot (uncredited)