G-Men Never Forget was budgeted at $151,061 although the final
negative cost was $151,554 (a $493, or 0.3%, overspend). It was the most expensive Republic serial of 1948. It was filmed between July 16 and August 7, 1947. The serial's production number was 1698.
Stunts •
Tom Steele as Agent Ted O'Hara/Vic Murkland/Commissioner Angus Cameron/Duke Graham (doubling Clayton Moore, Drew Allen & Roy Barcroft) •
Dale Van Sickel as Agent Ted O'Hara/Duke Graham (doubling Clayton Moore & Drew Allen) •
David Sharpe •
John Daheim •
Duke Green •
Carey Loftin •
George Magrill •
Gil Perkins •
Ken Terrell •
Bud Wolfe Special effects The special effects were created by the
Lydecker brothers. ==Release==