On a train headed for England a group of travelers is delayed by an avalanche. Holed up in a hotel in a fictional European country, young Iris befriends elderly Miss Froy. When the train resumes, Iris suffers a bout of unconsciousness and wakes to find the old woman has disappeared. The other passengers ominously deny Miss Froy ever existed, so Iris begins to investigate with another traveler and, as the pair sleuth, romantic sparks fly.

Margaret Lockwood
as Iris Matilda Henderson

Michael Redgrave
as Gilbert Redman

Paul Lukas
as Dr. Hartz

May Whitty
as Miss Froy

Basil Radford
as Charters

Naunton Wayne
as Caldicott

Cecil Parker
as Eric Todhunter

Linden Travers
as 'Mrs.' Margaret Todhunter

Mary Clare
as Baroness Isabel Nisatona

Emile Boreo
as Boris the Hotel Manager
CinemaSerf
This is a great adventure caper - Margaret Lockwood befriends a charming old lady - Dame May Whitty - in an hotel who subsequently disappears as they travel on a train back to England. She teams up with the pretty exasperating Michael Redgrave and together they try to find the old girl. Paul Lukas i...