Spook Busters

Leo Gorcey

as Terence Aloysius 'Slip' Mahoney

Huntz Hall

as Whitey (as Billy Benedict)

Douglass Dumbrille

as Dr. Coslow

Bobby Jordan

as Bobby

Gabriel Dell

as Gabe 'Gabie' Moreno

William Benedict

as Whitey (as Billy Benedict)

David Gorcey

as Chuck

Tanis Chandler

as Mignon

Maurice Cass

as Dr. Bender

Vera Lewis

as Mrs. Grimm

Charles Middleton

as Mr. Stiles

Chester Clute

as Brown

Richard Alexander

as Ivan

Bernard Gorcey

as Louis Xavier 'Louie' Dumbrowski

Charles Millsfield

as Dean Pettyboff

Art Miles

as Herman the Gorilla (as Arthur Miles)