Derek McGrath is a Canadian actor best known for his roles as "Andy-Andy" Schroeder (the would-be strangler of one Diane Chambers) in Cheers, Dr. Benjamin Jeffcoate in My Secret Identity, Crewman Chell in Star Trek: Voyager and as Dr. Derek Hebert in Doc.
He also starred as Reverend Duncan Magee in the television sitcom Little Mosque on the Prairie for the first three seasons, with a guest appearance in the fifth.
His long list of television credits include This Is Wonderland, Star Trek: Voyager, Ellen, The Red Green Show, Married With Children, Cheers, Street Legal, Dallas, Family Matters and Newhart, to name a few.
He also has many film credits to his name including Charlie Bartlett, Full Of It, Stuart Bliss, Chameleon, She's Out Of Control, Police Academy IV, Mr.Mom and Nothing Personal.
In addition, Derek has performed in numerous stage productions for Second City and The Shaw Festival Theatre.