J. Daniel 'Dan' Thompson

Mary Thompson

Bernice Marshall, Boardinghouse Keeper

Professor Charles W. Birdo

Irma, the Cook

Mrs. Evelyn Diamond

Francine 'Frankie' Diamond

Ed LeMotte (as Dan Dailey Jr.)

'Doc' Dunbar

'Doc' Skelby

Mr. Robert Emmett Ferderber, Private Detective (as Joseph J. Green)

Murdock, Side Show Barker

Carriage Driver

Policeman

Little Cairo