Thelma Todd
(Thelma)
Patsy Kelly
(Patsy)
Don Barclay
(Mr. Barclay, the Inventor)
Billy Bletcher
(Stunt Aviator)
Wilfred Lucas
(Mr. Lucas, Airline Superintendent)
Gladys Blake
(Lucas's Secretary (uncredited))
Charlie Hall
(Pilot (uncredited))
Sydney Jarvis
(Passenger (uncredited))
Isabelle Keith
(Passenger (uncredited))
Robert McKenzie
(Passenger (uncredited))