Milburn Stone
Agent Tom Brant
Acting
Jan Wiley
Janet Lowe
Acting
Dennis Moore
Jack Ryan
Acting
Addison Richards
Gerhard Doenitz / Garret Donahue
Acting
Byron Foulger
Prof. Elwood Henderson
Acting
Maris Wrixon
Dorothy Newton
Acting
Sarah Padden
Aggie
Acting
George Lynn
Herman
Acting
Russell Hicks
Police Chief Michael J. O'Brien
Acting
Roland Varno
Arnold Hoffman
Acting
Lash LaRue
Migsy
Acting
Jerry Shane
Dan
Acting
Neyle Morrow
Spike
Acting
John Eldredge
Walter Stark
Acting