Cast
Boris Karloff
The Professor
Robert Emmett O'Connor
Detective Brady
Frank Darien
The Waiter
Sayre Dearing
Country Club Guest
Roberta Gale
Telephone Operator
Ronald R. Rondell
Country Club Guest
Shirley Grey
Barbara Gerry
Purnell Pratt
John Kirk
Ruth Weston
Rose Harmer
Alan Roscoe
Malcolm O'Neill
Phillips Smalley
Thomas Drake
Bill Elliott
Country Club Guest
William Halligan
Lyn Austin the Auctioneer
Emmett King
Eugene Gerry
Richard Dix
Pike Winslow
Frank Sheridan
Charles Harmer
Paul Hurst
Doc
Carl Gerard
Cyrus Pringle
Symona Boniface
Auction Attendee
Rochelle Hudson
Telephone Operator
Broderick O'Farrell
Investigator for Board of Directors
Florence Wix
Country Club Guest
Edmund Breese
Frank Wells
Nella Walker
Aunt Matilda
Walter James
Police Captain Anderson