Yes, it's Jacob Bunton from Lynam on vocals, who wrote most of the songs on the album (Steven wrote nothing here). The album is apparently produced by Jeff Pilson, who also played bass on all tracks. Songwriting credits, etc:

ADLER - Back From The Dead
1. Back From The Dead (Paul, Pilson, Bunton)
2. Own Worst Enemy (Paul, Bunton)

3. Another Version Of The Truth (Bunton, Paul, Pilson)

4. The One That You Hated (Bunton, Paul)

5. Good To Be Bad (Paul, Bunton)

6. Just Don't Ask (Bunton)
7. Blown Away (Bunton)
8. Waterfall (Paul, Bunton)

9. Habit (Paul)

10. Your Diamonds (Bunton)

11. Dead Wrong (Paul, Bunton)

Jacob Bunton: lead vocals, guitar, mandolin and piano
Lonny Paul; guitar and vocals

Steven Adler: drums, cowbell, shakers, tambourine, crowbar, shovel and screams
Johnny Martin: bass and vocals

Additional musicians:

Jeff Pilson: bass on all tracks, 6 string guitar, keys and vocals 
Slash: Lead guitar on "Just Don't Ask"

John 5: Lead guitar on "Good To Be Bad" 
Michael Lord: Piano on “Waterfall”

Recorded at Pilsongs Studio, Santa Clarita, CA.

Produced by Jeff Pilson and Adler

Engineered by Jeff Pilson

Mixed by Jay Ruston at TRS West, Sherman Oaks, CA

Additional recording: Jason Elgin at Synchromesh Studios, Birmingham, AL
Mastered by: Paul Logus at Taloowa Mastering NY