Bud Abbott as Slicker Smith

Lou Costello as Herbie Brown

Tom Brown as Bill Gregory

Joan Shawlee as Sylvia Hunter

Nat Pendleton as Sgt. Michael Collins

Beverly Simmons as Yvonne 'Evie' LeBrec

Don Porter as Capt. Christie

Donald MacBride as Police captain

Don Beddoe as Mr. Roberts (State Department)

Charles Trowbridge as Mr. Quince

Russell Hicks as Mr. Appleby

Joe Kirk as Real Estate Salesman

Knox Manning as Commentator

Milburn Stone as Announcer

Eddie Acuff as Soldier (uncredited)

Ernie Adams as Tie Demo Bystander (uncredited)

Patricia Alphin as Young Girl (uncredited)

Robert Bacon as Medic (uncredited)

George Barton as Spectator (uncredited)

George Beban Jr. as GI Buddy (uncredited)

Brooks Benedict as Street Onlooker (uncredited)

Leonard Bremen as GI Buddy (uncredited)

Ralph Brooks as Medic (uncredited)

William Ching as 2nd Lieutenant, Mess Officer (uncredited)

Cliff Clark as Quentin (INS) (uncredited)

Eddie Coke as Medic (uncredited)

Russ Conway as Medic (uncredited)

Jean Del Val as Duprez - French Consul General (uncredited)

Janna DeLoos as Woman Taking in Laundry (uncredited)

Dick Dickerson as Rookie Soldier (uncredited)

Jimmie Dodd as GI Buddy (uncredited)

Kenne Duncan as Sergeant on Sidewalk (uncredited)

Eddie Dunn as Mulroney - Garage Man (uncredited)

Ralph Dunn as Ed - Guard on Midget Car (uncredited)

Jerry Farber as Boy (uncredited)

Jim Farley as Bank Guard #2 (uncredited)

William Haade as Eustice (Laundry Woman's Husband) (uncredited)

Chuck Hamilton as New York Cop (uncredited)

Myron Healey as Tech Sergeant - Medic #5 (uncredited)

Doris Kemper as Mrs. Edwards - Matron (uncredited)

Donald Kerr as Tie Demo Bystander (uncredited)

Milton Kibbee as Street Gawker (uncredited)

Lyle Latell as Sergeant - Medic #1 (uncredited)

Rex Lease as Appleby's Chauffeur (uncredited)

Frank Marlowe as Tie Buyer (uncredited)

Frank Mayo as The Colonel (uncredited)

Walter Merrill as Tie Buyer (uncredited)

John Michaels as Buck Private (uncredited)

Ottola Nesmith as French Matron (uncredited)

Joe Ploski as Angry Soldier on Boat (uncredited)

Buddy Roosevelt as New York Cop - Driver (uncredited)

John Sheehan as Drew (INS) (uncredited)

Lee Shumway as Bank Guard #1 (uncredited)

Tom Skinner as Medic (uncredited)

Clarence Straight as Medic (uncredited)

Charles Sullivan as Guard on Midget Car (uncredited)

Peter M. Thompson as GI Buddy (uncredited)

Harlan Wade as Sergeant - Medic #6 (uncredited)

Lane Watson as 1st Lieutenant (uncredited)

Robert J. Wilke as GI Buddy (uncredited)

Al Murphy as GI Buddy

Billy Curtis as