Bing Crosby

Dr. Bill Remsen

Mary Carlisle

Judy Marlowe

Beatrice Lillie

Mrs. Lorelei Dodge-Blodgett

Andy Devine

Officer Lawrence O'Roon

Rufe Davis

Al (Zookeeper)

Laura Hope Crews

Mrs. Minerva Twombling

John Hamilton

Insp. Bryce

Sterling Holloway

Luke (Ice-Cream Man)

Franklin Pangborn

Mr. Stenchfield (Store Clerk)

Frank Elliott

Lorelei's Butler

Louis Armstrong

Trumpet Player

Alphonse Martell

Marvelous Marko (uncredited)

Emory Parnell

Sgt. Olson (uncredited)