Michael Welch nació el 25 de julio de 1987 en Los Angeles. Comezó su carrera como actor a la edad de 10 años en la serie de televisión Frasier(1993) en 1998, interpretando a Niles. Más tarde interpretó a Luke Gardi en la serie Joan of Arcadia (2003). En total a participido alrededor de25 shows televisivos diferentes.
En los ùltimos ha entrado a la pantalla grande empezando con roles muy pequeños. Su último papel es el interpretar al estudiante Mike Newton de la saga vampiresca Twilight, en el que se quiere acercar a la protagonista, Bella (Kristen Stewart), para algo más que una amistad poniendose en conflicto con el novio de ella Edward Cullen (Robert Pattinson).
1. Rough Hustle (2009) (filming) (rumored) .... Jimmy
2. My Suicide (2008) (post-production) .... Earl
3. Lost Dream (2008) (post-production) .... Perry
4. Twilight (2008/I) .... Mike Newton
5. The Thacker Case (2008) .... Kevin Thacker
6. The Grind (2008/II) .... Josh
7. "The Riches" .... Ike (4 episodes, 2008)
- The Lying King (2008) TV episode .... Ike
- Dead Calm (2008) TV episode .... Ike
- Trust Never Sleeps (2008) TV episode .... Ike
- Slums of Bayou Hills (2008) TV episode .... Ike
8. Day of the Dead (2008) (V) .... Trevor Bowman
... aka Day of the Dead: The Need to Feed (USA: DVD title)
9. American Son (2008) .... Goldie
10. "CSI: Miami" .... Shane Partney (1 episode, 2007)
- Permanent Vacation (2007) TV episode .... Shane Partney
11. "Numb3rs" .... Kyle Clippard (1 episode, 2007)
... aka Num3ers (USA: promotional title)
- Velocity (2007) TV episode .... Kyle Clippard
12. The Beautiful Ordinary (2007) .... Stephen
... aka Remember the Daze (USA: new title)
13. Choose Connor (2007) .... Max
14. "Law & Order: Special Victims Unit" .... Scott Heston (1 episode, 2007)
... aka Law & Order: SVU (USA: promotional abbreviation)
... aka Special Victims Unit (New Zealand: English title)
- Pretend (2007) TV episode .... Scott Heston
15. An American Crime (2007) .... Teddy Lewis
16. All the Boys Love Mandy Lane (2006) .... Emmet
17. "Crossing Jordan" .... Josh Winter (1 episode, 2006)
- Mysterious Ways (2006) TV episode .... Josh Winter
18. "Navy NCIS: Naval Criminal Investigative Service" .... Kody Meyers (1 episode, 2006)
... aka NCIS (USA: short title)
... aka NCIS: Naval Criminal Investigative Service (USA: new title)
- Bait (2006) TV episode .... Kody Meyers
19. "Cold Case" .... Daniel Potter - 1972 (1 episode, 2005)
- Honor (2005) TV episode .... Daniel Potter - 1972
20. "Strong Medicine" .... Win (1 episode, 2005)
- Promising Treatment (2005) TV episode .... Win
21. "Without a Trace" .... Lance (1 episode, 2005)
... aka W.A.T (USA: short title)
- Safe (2005) TV episode .... Lance
22. "Joan of Arcadia" .... Luke Girardi (45 episodes, 2003-2005)
- Something Wicked This Way Comes (2005) TV episode .... Luke Girardi
- Common Thread (2005) TV episode .... Luke Girardi
- Spring Cleaning (2005) TV episode .... Luke Girardi
- Trial and Error (2005) TV episode .... Luke Girardi
- Secret Service (2005) TV episode .... Luke Girardi
(40 more)
23. "Fillmore!" .... Cockney Kid / ... (2 episodes, 2003-2004)
... aka Disney's Fillmore! (USA: complete title)
- Code Name: Electric Haircut, (2004) TV episode (voice) .... Wade/Kid #1/Cockney Kid
- Two Wheels, Full Throttle, No Brakes (2003) TV episode (voice) .... Philsky/Cyrus/Stranger
24. "Stargate SG-1" .... Young Jack O'Neill (1 episode, 2003)
... aka Porte des étoiles, La (Canada: French title: dubbed version)
- Fragile Balance (2003) TV episode .... Young Jack O'Neill
25. The United States of Leland (2003) .... Ryan Pollard
26. "CSI: Crime Scene Investigation" .... Todd Branson (1 episode, 2002)
... aka CSI: Las Vegas (South Africa: English title: informal alternative title) (USA: syndication title)
... aka C.S.I. (USA: short title)
... aka CSI: Weekends (USA: promotional title)
... aka Experts, Les (Canada: French title)
- Blood Lust (2002) TV episode .... Todd Branson
27. "Birds of Prey" .... 14 Year Old 'Guy' (1 episode, 2002)
... aka BOP (USA: promotional abbreviation)
- Three Birds and a Baby (2002) TV episode .... 14 Year Old 'Guy'
28. The Angel Doll (2002) .... Little Jerry Barlow
29. "House of Mouse" .... Pinocchio (6 episodes, 2001-2002)
- House of Scrooge (2002) TV episode (voice) .... Pinocchio
- The Mouse Who Came to Dinner (2001) TV episode (voice) .... Pinocchio
- Clarabelle's Big Secret (2001) TV episode (voice) .... Pinocchio
- Jiminy Cricket (2001) TV episode (voice) .... Pinocchio
- Big Bad Wolf Daddy (2001) TV episode (voice) .... Pinocchio
(1 more)
30. Rocket Power: Race Across New Zealand (2002) (TV) (voice)
31. "Judging Amy" .... Mike Amble (1 episode, 2001)
- Rights of Passage (2001) TV episode .... Mike Amble
32. Mickey's Magical Christmas: Snowed in at the House of Mouse (2001) (V) (voice) .... Pinocchio
33. "The District" .... Christian Gilroy (1 episode, 2001)
- Melt Down (2001) TV episode .... Christian Gilroy
34. "Touched by an Angel" .... Robbie McGregor (1 episode, 2001)
- The Birthday Present (2001) TV episode .... Robbie McGregor
35. "The Invisible Man" .... Adam Reese (1 episode, 2001)
... aka I-Man (USA: second season title)
- Johnny Apocalypse (2001) TV episode .... Adam Reese
36. The Ballad of Lucy Whipple (2001) (TV) .... Butte Whipple
... aka California Gold (New Zealand: English title: video title)
37. "Malcolm in the Middle" .... Josh (1 episode, 2001)
- New Neighbors (2001) TV episode .... Josh
38. "The X Files" .... Trevor (1 episode, 2001)
... aka The X-Files (USA)
- Badlaa (2001) TV episode .... Trevor
39. Delivering Milo (2001) .... Mr. Owen
40. "The Drew Carey Show" .... Scout #1 (1 episode, 2000)
- Drew and the Trail Scouts (2000) TV episode .... Scout #1
41. Personally Yours (2000) (TV) .... Sam Stanton
... aka Wilderness Love (Australia)
42. "The Pretender" .... Eric Gantry (1 episode, 2000)
- School Daze (2000) TV episode .... Eric Gantry
43. Straight Right (2000) .... Joey Geddes
44. "Shasta McNasty" .... Jeff (1 episode, 2000)
... aka Shasta (USA: second season title)
- Bed Worthy (2000) TV episode .... Jeff
45. "Ladies Man" .... Kyle (1 episode, 2000)
- 12 Angry Kids (2000) TV episode .... Kyle
46. "Jesse" .... Gabe (3 episodes, 1999)
- Jesse as Nurse, Fills In: Diego Throws Ice at Children (1999) TV episode .... Gabe
- Everything But the Grill (1999) TV episode .... Gabe
- Students Get Flu; Carrie at Zoo; Monkey Throw Poo (1999) TV episode .... Gabe
47. "The Norm Show" .... Jimmy (1 episode, 1999)
... aka Norm (USA: new title)
- Norm Pimps Wiener Dog (1999) TV episode .... Jimmy
48. Villains' Revenge (1999) (VG) (voice) .... Peter Pan
... aka Disney's Villains' Revenge (USA: complete title)
49. "Walker, Texas Ranger" .... Adam Crossland (1 episode, 1999)
... aka Walker (Australia)
- Jacob's Ladder (1999) TV episode .... Adam Crossland
50. "7th Heaven" .... Donovan Birbeck (1 episode, 1999)
... aka 7th Heaven: Beginnings (USA: rerun title)
... aka Seventh Heaven
- All Dogs Go to Heaven (1999) TV episode .... Donovan Birbeck
51. "Two Guys, a Girl and a Pizza Place" .... Michael Rush (3 episodes, 1998-1999)
... aka Two Guys and a Girl (USA: fourth season title) (USA: third season title)
- Two Guys, a Girl and a Proposal (1999) TV episode .... Michael Rush
- Two Guys, a Girl and a Gamble (1999) TV episode .... Michael Rush
- Two Guys, a Girl and a Christmas Story (1998) TV episode .... Michael Rush
52. Star Trek: Insurrection (1998) .... Artim
... aka Star Trek 9 (USA: informal alternative title)
53. "Chicago Hope" .... Lama Topa Rinpoche (1 episode, 1998)
- Tantric Turkey (1998) TV episode .... Lama Topa Rinpoche
54. "Veronica's Closet" .... Aaron (1 episode, 1998)
- Veronica's Bridal Shower (1998) TV episode .... Aaron
55. "Frasier" .... Young Niles (1 episode, 1998)
- Where Every Bloke Knows Your Name (1998) TV episode .... Young Niles