THE  ALBERT  WHITLOCK´S  ARCHIVES.
 

Pictures gallery from the film: Secret agent (1936)
 

Director:  Alfred Hitchcock
Cinematography:  Bernard Knowles
Film Editing : Charles Frend
Art Direction : Oscar Friedrich Werndorff
Scenic artist :  Albert Whitlock (uncredited)
Matte painting : Unknown.  It could be Albert Jullion who worked as assistant art director . Some years later  during the 40´s,  he was background painter for  Gainsborough Pictures, and at the late 40´s and early 50´s he was matte painter at Shepperton matte department under Wally Veevers.