Jack Lloyd

as Chief Inspector Lloyd of the C.I.D.

Wallace Geoffrey

as Giles Wade - the Panther

Muriel Angelus

as Sybil Craig

Lewis Dayton

as Randall Hale - of Deep Dene Manor

Janice Adair

as Diana Brooks - Hale's Niece

Tracy Holmes

as Chester Dunn - Hale's Nephew

Emily Fitzroy

as The Manor Ghost