Bud Abbott

Harry Lambert

Lou Costello

Joe Bascom / Harry Fish

Virginia Grey

Mary / Montana

Luba Malina

Dagmar

John Hubbard

David Winthrop

Pedro de Cordoba

Señor Martinez

Fritz Feld

Professor Ganzmeyer

Tom Powers

Ed Mason

Pat Costello

Tim Williams

Frank Fenton

Gus Adamson

Chris-Pin Martin

Mariachi Leader

Sid Fields

Reporter

Martin Richards

Boy (uncredited)

Eddie Kane

Mr. Clarke, Mine Buyer (uncredited)

Charles Miller

Mr. Lewis (uncredited)

Charles Barton