Terence Aloysius 'Slip' Mahoney

Leo Gorcey

Acting

Horace Debussy 'Sach' Jones

Huntz Hall

Acting

Edgar Alden Franklin Smith

Lloyd Corrigan

Acting

Margo

Lela Bliss

Acting

Dr. Basil Granville

Philip Van Zandt

Acting

Louie

Bernard Gorcey

Acting

Whitey

William Benedict

Acting

Butch

Buddy Gorman

Acting

Chuck

David Gorcey

Acting

Cynthia

Jan Kayne

Acting

Mrs. Parelli

Argentina Brunetti

Acting

Professor Krantz

Marshall Bradford

Acting

Jack Eagan

Robert Coogan

Acting

Gus

Michael Ross

Acting

Seance Guest (uncredited)

Bess Flowers

Acting