Cast and credits of So This Is Washington

Ray McCarey

Chester Lauck
Lum Edwards (as Lum)

Norris Goff
Abner Peabody (as Abner)

Alan Mowbray
Chester W. Marshall

Mildred Coles
Jane Nestor - Marshall's Secretary

Roger Clark
Robert Blevins

Sarah Padden
Aunt Charity Speers

Matt McHugh
Stranger in Park Renting 'Rooms'

Brooks Benedict
First Hotel Desk Clerk (uncredited)

Chester Conklin
Inventor with Pocket Machine Gun (uncredited)

Heinie Conklin
Steve Reynolds - Station Agent (uncredited)

Jimmie Dodd
Earl - Hick Townsman (uncredited)

Ben Erway
Congressman (uncredited)

Jack Gargan
Reporter (uncredited)

Lloyd Ingraham
Inventor with Parachute (uncredited)

Boyd Irwin
Senator (uncredited)

Eddie Kane
Department Store Manager (uncredited)

Wilbur Mack
Inventor with Memory Tablets (uncredited)

Barbara Pepper
Betty - Taxi Driver (uncredited)

Jack Rice
Golf Hotel Desk Clerk (uncredited)