Spencer Tracy as Stevie O'Malley

Katharine Hepburn as Christine Forrest

Richard Whorf as Clive Kerndon

Margaret Wycherly as Old Mrs. Forrest

Forrest Tucker as Geoff Midford

Frank Craven as Docteur Fielding

Stephen McNally as Freddie Ridges

Percy Kilbride as Orion Peabody

Audrey Christie as Jane Harding

Darryl Hickman as Jeb Rickards

Donald Meek as Mr Arbuthnot

Howard Da Silva as Jason Rickards

William Newell as Piggot

Walter Bacon as

Barry Bernard as

Clifford Brooke as

Steve Carruthers as

Ricardo Lord Cezon as

Mabel Colcord as

Cliff Danielson as

Diana Douglas as

Rex Evans as

Donald Gallaher as

Stuart Hall as Reporter (uncredited)

Sam Harris as

Art Howard as

Colin Kenny as

Crauford Kent as

Manart Kippen as

Charles Frederick Lindsley as

Mickey Martin as

Louis Mason as

Claire McDowell as

Mary McLeod as

Harold Miller as

Dorothy Morris as

Barry Norton as

Robert Pittard as

Rita Quigley as

Dorothy Raye as

John Roy as

Jay Ward as

Blanche Yurka as