Continuity mistake: When Francis Fryer throws the cowboy he loses the scarf in his hand but when the camera angle changes he has it again.
Continuity mistake: Just after Houdini returns to the United States from his European tour, he stages a publicity stunt. The lady in the apartment opens her window shade and sees Houdini hanging upside down, directly outside the window. When it cuts to an outside shot, he is now suspended above the roof line, where the woman would not be able to see him.