Bruce Cabot
Dr. Bob Clayton
Helen Mack
Carole Dale
Joan Woodbury
Lila Haines
Constance Worth
Ann Stokes
Thomas E. Jackson
Sergeant Macintosh Spencer (as Thomas Jackson)
Tom Dugan
Hank Manley
Mabel Todd
Dora Stanley
Roland Drew
Dr. Norman Kennedy
Addison Richards
Dr. Finley Morton
Frank Reicher
Dr. Amos Thornton
Frank Puglia
Tony
Don Porter
Dr. Donald Fox
Dee Dodd
Little Boy
Byron Foulger
The Coroner
John Harmon
Pete - the Fingerprint Man
Holmes Herbert
Hospital Administrator