Crane was married to Anne Terzian from 1949 until they divorced in 1970. He was married to Sigrid Valdis, his Hogan's Heroes co-star (Hilda), from 1970 until his death in 1978. Crane was buried in Chatsworth, California in Oakwood Memorial Cemetery. His widow had his remains moved to Westwood Village Memorial Park Cemetery in 1998. In 2007 she died of lung cancer and is buried next to him.