James Cagney Terrence 'Terry' Rooney Evelyn Daw Rita Wyatt William Frawley Hank Mayers Mona Barrie Stephanie 'Steffie' Hajos Gene Lockhart Bennett O. 'B.O.' Regan Philip Ahn Ito (Terry's servant) Dwight Frye Mr. Easton (makeup supervisor) John "Skins" Miller Dancer in Drag in 'Deck Number' (as Skins Miller) Johnny Arthur Mr. Daviani (as John Arthur) William B. Davidson Mr. Richards (as William Davidson) Richard Tucker Mr. Blaine Kathleen Lockhart Miss Amy Robbins James Newill Jimmy - Band Member Harry Barris Pinky - Band Pianist