Here's the description for "Blonde Venus" which appears in _Bowker's
Complete Video Directory 1992_:
When her chemist husband Edward (Herbert Marshall) falls
ill from radium poisoning, ex-cabaret singer Helen Farady
(Marlene Dietrich) returns to the stage to pay for his
expensive medical treatments, but finds her life complicated
by the attentions of suave plaboy Nick Townsend (Cary Grant).
"Blone Venus" is listed as being available on VHS for $29.95 from
MCA Home Video, 11312 Penrose St, Sun Valley CA 91352; telephone
(818) 768-3520.