Definition: You are given an open-domain question from an open movie database. Your task is to provide an answer to that question. Try to only include the answer. Do not put it in a sentence.
Input: what films did Robert Ryan act in?

The Wild Bunch, Bad Day at Black Rock, Battle of the Bulge, The Professionals, The Naked Spur, The Set-Up, Crossfire, On Dangerous Ground, Clash by Night, Flying Leathernecks, Billy Budd, Act of Violence, Lawman, Odds Against Tomorrow, Hour of the Gun, Anzio, Caught, The Outfit, House of Bamboo, Berlin Express, The Boy with Green Hair, The Racket, Executive Action, Day of the Outlaw, Men in War, The Tall Men, Born to Be Bad, The Woman on the Beach, God's Little Acre, The Iceman Cometh, Lonelyhearts, Back from Eternity, Inferno, The Sky's the Limit, The Woman on Pier 13, Tender Comrade, Best of the Badmen, The Love Machine