El pequeño fenómeno: Reparto
Bud Abbott
Eddie L. Morrison / T.S. Chandler
Lou Costello
Benny Miller
Jacqueline deWit
Hazel Temple Morrison
Brenda Joyce
Miss Ruby Burke
George Cleveland
Clarence Goodring
Elena Verdugo
Martha Hill
Mary Gordon
Ma Miller
Pierre Watkin
P.S. Van Loon
Donald MacBride
The conductor
Victor Kilian
Gus Anderson (salesman)
George Chandler
O'Brien (salesman)
Joe Kirk
Salesman
Harry Brown
Larry, Salesman
Beatrice Gray
Miss King
Sid Fields
Air-pump customer
Margaret Dumont
Mrs. Hendrickson
Milt Bronson
Salesman (uncredited)
Lane Chandler
Lost Motorist (uncredited)
Dorothy Christy
Jim's wife (uncredited)
Tom Coleman
Man in Stockton Office (uncredited)
Chester Conklin
Hotel Valet (uncredited)
Pat Costello
Customer (uncredited)
William 'Red' Donahue
Mr. Perkins (uncredited)
Ralph Dunn
Passenger in Lower Berth #6 (uncredited)
Mary Field
Secretary (uncredited)
Edward Gargan
Policeman (uncredited)
George Holmes
Hercules - Male Model (uncredited)
Donald Kerr
Salesman (uncredited)
Florence Lake
Housewife (uncredited)
Ethelreda Leopold
Information Receptionist (uncredited)
Anne O'Neal
Benny's First Customer (uncredited)
Ralph Peters
Jim (uncredited)
Bert Roach
Joe (bartender) (uncredited)
Milburn Stone
Prof. Watkins (uncredited) (voice)