Harry Baur reprised his role as Peter Brioukow from Moscow Nights (1934).

Natalia "Natasha" Kovrin was born in 1897.

The film takes place in 1916.

Theatrical movie debut of Walter Hudd (The Doctor).

This was the first movie distributed by the freshly formed General Film Distributors.

Uncredited theatrical movie debut of Sir Anthony Quayle (Vanya - Soldier Dictating Letter).