Sander has directed and acted in films and the short TV movie "Berlin 1945: Musik Unter Bomben" (2007). He made his feature film debut as Martti in the 1991 Juha Tapaninen-directed Finnish musical-comedy "Iskelmäprinssi". In 1998, he had a role in the Rao Heidmets-directed comedy-family film "Kallis härra Q" (English release title: "Dear Mister Moon"), based on the 1992 children's book of the same name by Estonian author Aino Pervik. He had roles in the Hungarian film "Why Wasn't He There?" and in the US made-for-cable production "Candles in the Dark", opposite Alyssa Milano and directed by Maximilian Schell.