The Man in Half Moon Street

Brandon Hurst as Simpson Helen Walker as Eve Brandon Edmund Breon as Sir Humphrey Brandon Edward Fielding as Colonel Ashley Nils Asther as Dr. Julian Karell Reinhold Schünzel as Dr. Kurt van Bruecken Morton Lowry as Alan Guthrie Forrester Harvey as Harris Frank Moran as Trawler Captain Konstantin Shayne as Dr. B.A. Vishanoff Aminta Dyne as Lady Minerva Aldergate John Sheehan as Expressman Gerald Oliver Smith as Pharmacy Clerk Frank Baker as Plainclothesman Cyril Ring as Plainclothesman Reginald Sheffield as Art Expert at Party Al Ferguson as Bobby Frank Hagney as Bobby (uncredited) Harry Cording as Bobby Leyland Hodgson as Dr. G.B. Albertson Eustace Wyatt as Inspector Lawson Ernie Adams as Porter Ted Billings as Man Sleeping on Bench Paul Cavanagh as Dr. Henry Latimer Matthew Boulton as Detective Inspector Ned Garth

Sam Comer Set Decoration Wally Westmore Makeup Artist Miklós Rózsa Original Music Composer