Guy Haines

Anne Morton

Bruno Antony

Sen. Morton

Barbara Morton

Miriam Haines

Mrs. Antony

Mr. Antony

Police Capt. Turley

Prof. Collins

Mrs. Cunningham

Det. Leslie Hennessey

Tennis Umpire (uncredited)

Det. Hammond (uncredited)

Man Under Merry-Go-Round (uncredited)

Man Boarding Train Carrying a Double Bass (uncredited)

Train Passenger (uncredited)

Party Guest (uncredited)

Linesman (uncredited)

Tennis Match Spectator (uncredited)