Robert Mitchum: Robert Mitchum. Actor: Out of the Past. Robert Mitchum was an underrated American leading man of enormous ability, who sublimated his talents beneath an air of disinterest. He was born in Bridgeport, Connecticut, to Ann Harriet (Gunderson), a Norwegian immigrant, and James Thomas Mitchum, a shipyard/railroad worker. His father died in a train accident when he was two, and Robert and his siblings (including brother John Mitchum, later also an...