as Howe

as Captain Kirk Armstrong

as Gris

as Inspector Kellog

as William Dennis

as Bob Hamlin

as Eddie Daniels

as Dr. David Lynd

as Rusty

as Larry Kent

as Gregg

as Bob Reid

as Ping-Pong Player (uncredited)

as Policeman (uncredited)

as Tim Sawyer

as Party Guest (Uncredited)

as Frederick 'Fred' Garth

as Cole

as District Attorney Don Blane

as Duke Mallor

as Sgt. Dick 'Rusty' Manson

as William Flynn Hitchcock / Bill Flinn

as Cmdr. Don Winslow

as Buddy Brower

as Buckskin Billy Burke

as Lieutenant

as Jimmy Williams

as Comdr. Don Winslow

as Strangler (uncredited)

as Reef (uncredited)

as Dick Starr