Deyers spent most of her childhood years in The Hague until her stepfather, Dijjers, remarried to the Austrian actress Lotte Erol.

Deyers then traveled between The Hague, Vienna (where the family mostly lived), and Lausanne, where she went to a private school and became fluent in French.

In August 1926 the Austrian weekly Mein Film staged a competition for new young screen talent and Lien submitted her photograph.

Subsequently, during an autograph session in the Mein Film offices in 1927, she was introduced to the well-known Austrian director Fritz Lang, who happened to be in need of a young blonde for a role in his new movie Spione, written by his wife, the novelist and screenwriter Thea von Harbou.

In November 1928, the court ruled in her favor, a verdict welcomed by hundreds of Berlin-based actors with similar contracts.

She mainly was typecast for typical "Aryan" characters like the exemplary girlish blonde in The Company's in Love (1932) and Gold (1934).

[4] The Dutch actor/comedian Wim Sonneveld met with her in 1957 during the shooting of Silk Stockings with Fred Astaire and Cyd Charisse, in which he played a supporting role.

She was arrested in Las Vegas in 1964 for loitering and disorderly conduct, and she sent a greeting card congratulating German actor and former co-star Heinz Rühmann on his 80th birthday in 1982.