The mugger was trying to shakedown a victim on the rooftop car park when Captain John came through the rift. John decided to intervene, possibly for kicks, since he had no interest in saving anyone.

Death: Captain John held him over the side of the multi-storey car park and let go.

Crispin Layfield is a stuntman and stunt co-ordinator who only rarely acts.

Torchwood

Kiss Kiss, Bang Bang (2008) .... Mugger

Before Torchwood

Actor
"Heartbeat" .... Joyrider (1 episode, 2004)
Below (2002) .... Navy Lookout
"London's Burning" .... Colin (1 episode, 2002)
"Footballers' Wives" .... Thug (1 episode, 2002)
The Land Girls (1998) .... German Pilot

Stuntman/Co-ordinator

"Ashes to Ashes" (stunt coordinator) (1 episode, 2008)
"The Bill" (stunt coordinator) (3 episodes, 2007-2008)
"Wire in the Blood" (stunt performer) (4 episodes, 2002-2006) (stunt coordinator) (2 episodes, 2007) (stunt double) (1 episode, 2006)
"Doctor Who" (stunt coordinator) (1 episode, 2007) (stunt performer) (1 episode, 2005)
"Life on Mars" (stunt coordinator) (2 episodes, 2007) (stunt performer) (2 episodes, 2006-2007)
"Hotel Babylon" (stunt performer) (2 episodes, 2007)
Trial and Retribution XIV: Mirror Image (2007) (TV) (stunt performer)
"Vincent" (stunt double) (1 episode, 2006)
"The Amazing Mrs Pritchard" (stunt performer) (1 episode, 2006)
Stormbreaker (2006) (stunt double)
Soundproof (2006) (TV) (stunts)
The Wind That Shakes the Barley (2006) (stunt performer)
"Shameless" (stunt coordinator) (1 episode, 2006)
"Rocket Man" (stunt coordinator) (1 episode, 2005)
Batman Begins (2005) (stunt performer)
Sahara (2005) (stunts) (uncredited)
Closer (2004/I) (stunts)
"Mine All Mine" (2004) TV series (stunt performer) (unknown episodes)
"Footballers' Wives" (stunt performer) (1 episode, 2004)
"The Inspector Lynley Mysteries" (stunt coordinator) (1 episode, 2004) (stunts) (1 episode, 2004)
"Emmerdale Farm" (stunts) (1 episode, 2003)
"A Touch of Frost" (stunt performer) (1 episode, 2003)
The Quest (2002) (TV) (stunt performer)
The Gathering (2002) (stunts)
"Band of Brothers" (2001) TV mini-series (stunts) (unknown episodes)
Intimacy (2001) (stunt performer)
Mind Games (2001) (TV) (stunts)
The Sight (2000) (TV) (stunts)
Complicity (2000) (stunts)
Purely Belter (2000) (stunt double)
Circus (2000) (stunts)
Guest House Paradiso (1999) (stunts)
The Criminal (1999) (stunt double: Steven Mackintosh)
The Magical Legend of the Leprechauns (1999) (TV) (stunts)
The Trench (1999) (stunts)
"The Lakes" (stunt performer) (1 episode, 1999)
Plunkett & Macleane (1999) (stunts)
Doomwatch: Winter Angel (1999) (TV) (stunt double)
"Touching Evil III" (1999) TV mini-series (stunts) (unknown episodes)
"Grafters" (1998) TV mini-series (stunts) (unknown episodes)
Far from the Madding Crowd (1998) (TV) (stunts)
The Land Girls (1998) (stunts)
Spice World (1997) (stunt performer)
Tomorrow Never Dies (1997) (stunts) (uncredited)
"Dangerfield" (stunt performer) (1 episode, 1997)
Bring Me the Head of Mavis Davis (1997) (stunt performer)
The Odyssey (1997) (TV) (stunts)
"Peak Practice" (stunt performer) (1 episode, 1997)
Daylight (1996) (stunts)
"London's Burning" (1988) TV series (stunts) (unknown episodes)
"Casualty" (1986) TV series (stunts) (unknown episodes)
"EastEnders" (1985) TV series (stunts) (unknown episodes)