Alev Sezer was born in Istanbul on April 23, 1945. She graduated from the Ankara State Conservatory, Department of Theater and started working at the Ankara State Theater in the same year.
In 1981, she joined the staff of Istanbul State Theater. In addition to acting in many plays, she also worked as a director in the plays of the institution.

Apart from theater, she also appeared in front of the camera and starred in movies and TV series. Alev Sezer, who is also a voice actor, was also a news announcer at TRT for a while.

In 1986, he received the "Promising Artist of the Year" award for the play Candida.

In the 80s, he voiced "Bobby Ewing" in the TV series Dallas. He voiced Bruce Willis in the series Blue Moon (Moonlighting). He voiced Bruce Willis and Mel Gibson for years.

Alev Sezer has five children, Sanem and Selin from his first wife, Gökçe Çiçek and Batuhan from his second wife Dikmen Seyhan, a ballerina at Istanbul State Opera and Ballet, and Alev from his third wife Nuray Sezer.

He died in hospital with chronic diarrhea and vomiting on September 3, 1997.