British actor Douglas Walton kept busy in the Hollywood of the 1930s playing upper-class twits, ineffectual weaklings, and other such highly coveted roles. Walton was most memorably cast as the genteelly depraved Percy Shelley in the prologue scenes of Bride of Frankenstein (1935). He also played the dull-witted, cowardly Darnley in John Ford's Mary of Scotland (1936). Douglas Walton remained...