We don't have a biography for Zack Allan yet. Hang in there, or go ahead and contribute one.
Appearances
Babylon 5
Main cast, played by Jeff Conaway
- Episode 3x02: Convictions (Nov 13, 1995)
- Episode 3x04: Passing Through Gethsemane (Nov 27, 1995)
- Episode 3x05: Voices of Authority (Jan 29, 1996)
- Episode 3x08: Messages from Earth (Feb 19, 1996)
- Episode 3x09: Point of No Return (Feb 26, 1996)
- Episode 3x10: Severed Dreams (Apr 1, 1996)
- Episode 3x12: Sic Transit Vir (Apr 15, 1996)
- Episode 3x16: War Without End, Part One (May 13, 1996)
- Episode 3x19: Grey 17 Is Missing (Oct 7, 1996)
- Episode 3x21: Shadow Dancing (Oct 21, 1996)
- Episode 4x01: The Hour of the Wolf (Nov 4, 1996)
- Episode 4x03: The Summoning (Nov 18, 1996)
- Episode 4x04: Falling Toward Apotheosis (Nov 25, 1996)
- Episode 4x07: Epiphanies (Feb 10, 1997)
- Episode 4x08: The Illusion of Truth (Feb 17, 1997)
- Episode 4x09: Atonement (Feb 24, 1997)
- Episode 4x12: Conflicts of Interest (May 5, 1997)
- Episode 4x13: Rumors, Bargains and Lies (May 12, 1997)
- Episode 4x14: Moments of Transition (May 19, 1997)
- Episode 4x16: Exercise of Vital Powers (Jun 2, 1997)
- Episode 5x01: No Compromises (Jan 21, 1998)
- Episode 5x02: The Very Long Night of Londo Mollari (Jan 28, 1998)
- Episode 5x04: A View from the Gallery (Feb 11, 1998)
- Episode 5x05: Learning Curve (Feb 18, 1998)
- Episode 5x06: Strange Relations (Feb 25, 1998)
- Episode 5x07: Secrets of the Soul (Mar 4, 1998)
- Episode 5x09: In the Kingdom of the Blind (Mar 18, 1998)
- Episode 5x10: A Tragedy of Telepaths (Mar 25, 1998)
- Episode 5x11: Phoenix Rising (Apr 1, 1998)
- Episode 5x12: The Ragged Edge (Apr 8, 1998)
- Episode 5x13: The Corps Is Mother, the Corps Is Father (Apr 15, 1998)
- Episode 5x14: Meditations on the Abyss (May 27, 1998)
- Episode 5x15: Darkness Ascending (Jun 3, 1998)
- Episode 5x16: And All My Dreams, Torn Asunder (Jun 10, 1998)
- Episode 5x18: The Fall of Centauri Prime (Oct 28, 1998)
- Episode 5x19: The Wheel of Fire (Nov 4, 1998)
- Episode 5x20: Objects in Motion (Nov 11, 1998)
- Episode S05 Special: Babylon 5: River of Souls (Nov 17, 1998)
- Episode 5x21: Objects at Rest (Nov 18, 1998)
- Episode 5x22: Sleeping in Light (Nov 25, 1998)
- Episode S05 Special: Babylon 5: A Call to Arms (Jan 3, 1999)
Guest cast, played by Jeff Conaway
- Episode 2x06: Spider in the Web (Dec 7, 1994)
- Episode 2x09: The Coming of Shadows (Feb 1, 1995)
- Episode 2x12: Acts of Sacrifice (Feb 22, 1995)
- Episode 2x13: Hunter, Prey (Mar 1, 1995)
- Episode 2x14: There All the Honor Lies (Apr 26, 1995)
- Episode 2x16: In the Shadow of Z'ha'dum (May 10, 1995)
- Episode 2x19: Divided Loyalties (Oct 11, 1995)
- Episode 2x22: The Fall of Night (Nov 1, 1995)
- Episode 5x08: Day of the Dead (Mar 11, 1998)
- Episode 5x17: Movements of Fire and Shadow (Jun 17, 1998)