William Powell

Character: Steve Ireland

Myrna Loy

Character: Susan Ireland

Gail Patrick

Character: Isobel Kimble Grayson

Jack Carson

Character: Ward Willoughby

Florence Bates

Character: Mrs. Cooper

Sidney Blackmer

Character: Lawyer George Renny

Sig Ruman

Character: Dr. Wuthering

Vladimir Sokoloff

Character: Dr. David Klugle

Donald MacBride

Character: 'Pinky' Grayson

Sara Haden

Character: Miss Cecilia Landis

Kathleen Lockhart

Character: Mrs. Bristol

Fern Emmett

Character: Martha - Ireland's Maid

Joseph Crehan

Character: Judge

George Meeker

Character: Lawyer DeWest

Clarence Muse

Character: Robert - Hat Check Man at Party

Elisha Cook Jr.

Character: Joe (elevator operator)

Barbara Bedford

Character: Renny's Secretary (uncredited)

Aldrich Bowker

Character: Jimmy - the Doorman (uncredited)

Edward Hearn

Character: Policeman (uncredited)

George Irving

Character: Sanity Hearing Doctor (uncredited)

May McAvoy

Character: Sanity Hearing Secretary (uncredited)

Ian Wolfe

Character: Sanity Hearing Doctor (uncredited)

Wanda Perry

Character: Party Guest (uncredited)

Jimmy Ames

Character: Taxi Driver (uncredited)

Joan Barclay

Character: Telephone Operator (uncredited)

Mary Bayless

Character: Party Guest (uncredited)

Wilson Benge

Character: Tom - Ward's Valet (uncredited)

Lulu Mae Bohrman

Character: Party Guest (uncredited)

Wade Boteler

Character: Head Private Investigator (uncredited)

Ralph Brooks

Character: Party Guest (uncredited)

Francis X. Bushman Jr.

Character: Uniformed Sanitarium Guard (uncredited)

Naomi Childers

Character: Party Guest (uncredited)

Ken Christy

Character: Uniformed Sanitarium Guard (uncredited)

Oliver Cross

Character: Party Guest (uncredited)

Sayre Dearing

Character: Party Guest (uncredited)

Dan Dowling

Character: Party Guest (uncredited)

Jay Eaton

Character: Party Guest Getting Rake (uncredited)

Harry Fleischmann

Character: Taxi Driver (uncredited)

Pat Gleason

Character: Philadelphia Private Investigator (uncredited)

George Golden

Character: Party Guest (uncredited)

Roy Gordon

Character: Sanity Hearing Doctor (uncredited)

Jesse Graves

Character: Bristol's Butler (uncredited)

George Guhl

Character: First Taxi Driver (uncredited)

Stuart Hall

Character: Party Guest (uncredited)

Mahlon Hamilton

Character: Party Guest (uncredited)

Eddie Hart

Character: Detroit Private Investigator (uncredited)

Selmer Jackson

Character: Doctor at Susan's Apartment (uncredited)

Richard Kipling

Character: Party Guest (uncredited)

William Lally

Character: Sanitarium Guard (uncredited)

George Lollier

Character: Lake Placid Private Investigator (uncredited)

George Magrill

Character: Sanitarium Guard (uncredited)

Philo McCullough

Character: Cleveland Private Investigator (uncredited)

Charles McMurphy

Character: Private Investigator (uncredited)

James H. McNamara

Character: Party Guest (uncredited)

James Millican

Character: Miami Private Investigator (uncredited)

Jack Mulhall

Character: Court Clerk (uncredited)

Spec O'Donnell

Character: Anniversary Singer (uncredited)

Broderick O'Farrell

Character: Party Guest (uncredited)

Paul Palmer

Character: Private Investigator (uncredited)

Edward Peil Sr.

Character: Sun Valley Private Investigator (uncredited)

Lee Phelps

Character: Uniformed Sanitarium Guard (uncredited)

James Pierce

Character: San Francisco Private Investigator (uncredited)

Paul Power

Character: Party Guest (uncredited)

Bert Roach

Character: Front Desk Clerk (uncredited)

Ky Robinson

Character: Cincinnati Private Investigator (uncredited)

Byron Shores

Character: Sanity Hearing Doctor (uncredited)

Larry Steers

Character: Party Guest Whose Hat is Floating (uncredited)

Rudolf Steinboeck

Character: Private Investigator (uncredited)

Harry Strang

Character: Police Sgt. Payson (uncredited)

Brick Sullivan

Character: Policeman (uncredited)

William Tannen

Character: Sanitarium Attendant (uncredited)

Edward Van Sloan

Character: Sanity Hearing Doctor (uncredited)

Emmett Vogan

Character: Doctor at Susan's Apartment (uncredited)

Douglas Wood

Character: Sanity Hearing Doctor (uncredited)

Catherine Price

Character:

Richard Allen

Character: Private Investigator (uncredited)